10 Best 6-Month Filter Supplies: Fresh Water Now

Looking for the best 6‑month filter supplies? We offer a concise guide that helps you pick the perfect filters for clean, fresh water for you and your pets.

Keeping things clean is easy. Six-month filter supplies are very helpful. They save your time and money.

Filters can be used for many things. You can use them for people and pets. They help your water taste fresh.

Ready to learn more? This guide will help you. Find the best filters today.

Many people love the convenience of 6-month filter supplies. They say it’s one less thing to worry about. Knowing their water is clean gives them peace of mind.

List of Top 10 6-Month Filter Supplies

Image Title Best For Price
Amazon Basics Enhanced Replacement Water Filters for Water Pitchers, BPA-Free, WQA & NSF Certified, Compatible with Brita Water Pitchers & Drinking Water Filter Systems, 6 Month Filter Supply, 3-Pack Amazon Basics Enhanced Replacement Water Filters for Water Pitchers, BPA-Free, WQA & NSF Certified, Compatible with Brita Water Pitchers & Drinking Water Filter Systems, 6 Month Filter Supply, 3-Pack

This 3-pack of Amazon Basics Enhanced Replacement Water Filters is perfect for anyone looking to enjoy cleaner, better-tasting water at home. If you own a Brita pitcher or dispenser, these WQA-certified filters will help you reduce waste and save money by filtering out 9 common contaminants.

iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1) iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1)

This iSpring F6K75 filter set is perfect for anyone who wants cleaner, better-tasting water right from their tap. It’s ideal for families who want to ensure their drinking water is safe and healthy, and for those who appreciate the convenience of easy filter changes.

PUR Plus Water Filter Replacement for Pitchers & Dispensers, 6-Month Supply, 3 Count, Blue (PPF951K3) PUR Plus Water Filter Replacement for Pitchers & Dispensers, 6-Month Supply, 3 Count, Blue (PPF951K3)

This PUR Plus Water Filter is perfect for anyone who wants cleaner, better-tasting water at home. It’s ideal for families and health-conscious individuals looking for an easy and affordable way to improve their daily hydration.

BROOK Glass Pet Fountain Filter Replacement Set – 6 Filter Rings & 12 Activated Carbon Pouches – Up to 6 Month Supply Replacement Filters Set for BROOK Cat Fountain BROOK Glass Pet Fountain Filter Replacement Set – 6 Filter Rings & 12 Activated Carbon Pouches – Up to 6 Month Supply Replacement Filters Set for BROOK Cat Fountain

This replacement filter set is perfect for owners of the BROOK glass pet fountain. It ensures your beloved feline friend always has access to fresh, clean water.

iSpring F4DS 6-Month Replacement Supply Filter Cartridge Pack Set for DS4B & DS4S, Sediment, Compound, Carbon Block and Post Carbon Filter (Pack of 1) iSpring F4DS 6-Month Replacement Supply Filter Cartridge Pack Set for DS4B & DS4S, Sediment, Compound, Carbon Block and Post Carbon Filter (Pack of 1)

This iSpring F4DS filter set is perfect for anyone who wants clean, great-tasting water at home with easy, do-it-yourself installation. It’s ideal for those who value convenience and reliable water purification without the hassle.

Jumbl Pets Beginner 6-Month Filter Supply Set Including a Bag of Ceramic Rings and 6-Piece Carbon Filter Cartridges for 4-Gallon Aquariums Jumbl Pets Beginner 6-Month Filter Supply Set Including a Bag of Ceramic Rings and 6-Piece Carbon Filter Cartridges for 4-Gallon Aquariums

New fish owners and busy pet parents will love how simple this filter set makes keeping a small tank clean. Just drop in the ceramic rings and carbon cartridges for clear, healthy water—no complicated setup or constant scrubbing needed. Replace every few months or when water flow slows, and your 4-gallon aquarium stays fresh with almost no effort. Perfect for betta tanks, desktop setups, or first-time fish keepers who want reliable results fast.

Healthy fish start with clean water—this kit delivers that, every time.

YUSMOO Cat Water Fountain Replacement Filters, 8-Pack Food-Grade Claw Shape Activated Carbon Filters + 8 Pre-Filter Sponges, Triple Filtration for 74oz Pet Fountain (6-8 Months Supply) YUSMOO Cat Water Fountain Replacement Filters, 8-Pack Food-Grade Claw Shape Activated Carbon Filters + 8 Pre-Filter Sponges, Triple Filtration for 74oz Pet Fountain (6-8 Months Supply)

YUSMOO Cat Water Fountain Replacement Filters are perfect for cat owners who want clean, fresh-tasting water for their pets without constant filter changes.
If you use the 74oz pet fountain, this 8-pack gives you a full 6 to 8 months of worry-free filtration—just swap in a new claw-shaped filter every few weeks and keep your cat happy and hydrated.

The triple filtration system traps hair, dirt, and bad tastes using food-grade activated carbon, so it’s ideal for anyone who values simplicity and safety.
Change filters less often and spend less time fussing—perfect for busy pet parents who still demand the best for their furry friends.

LZMYIVE 12 Pack Replacement Filters Compatible with Petlibro Capsule Dog Fountain PLWF008, 6 Months Supply of Filter Accessories for Dog Water Fountain Dispensers LZMYIVE 12 Pack Replacement Filters Compatible with Petlibro Capsule Dog Fountain PLWF008, 6 Months Supply of Filter Accessories for Dog Water Fountain Dispensers

LZMYIVE replacement filters are perfect for pet parents who use the Petlibro Capsule Dog Fountain PLWF008 and want consistently clean, fresh water for their dogs. If you care about your pet’s health and hate the hassle of cloudy water or bad smells, these filters deliver. With 12 packs lasting up to 6 months, they’re ideal for busy owners who value both quality and convenience.

FilterQueen Majestic Replacement Filter Kit, Premium Bundle, 6 Month Supply, Fits All Majestic Surface Cleaners FilterQueen Majestic Replacement Filter Kit, Premium Bundle, 6 Month Supply, Fits All Majestic Surface Cleaners

This FilterQueen Majestic Replacement Filter Kit is perfect for homeowners who want to ensure their Majestic Surface Cleaner is always running at its best. It’s for those who value clean air and easy maintenance, with a 6-month supply that keeps their home fresh.

NOBXBON Cat Fountain Filter Replacement: Wireless Pet Water Fountain Filters - 24 Filters for Cordless Cat Drinking Fountain - 12 Pack Carbon Filters + 12 Pack Sponges Filters (6-Month Supply) NOBXBON Cat Fountain Filter Replacement: Wireless Pet Water Fountain Filters – 24 Filters for Cordless Cat Drinking Fountain – 12 Pack Carbon Filters + 12 Pack Sponges Filters (6-Month Supply)

Is your cat your best friend? Do you want to give them the cleanest, freshest water possible? The NOBXBON Cat Fountain Filter Replacement is perfect for pet parents who demand the best for their furry companions. Keep your cat happy and healthy with pure, delicious water every day!

Detailed Reviews

Discover the top 10 6-Month Filter Supplies in our expert-reviewed guide. Each product is chosen for quality, performance, and value, ensuring you find the perfect fit. Whether for home, pets, or aquariums, this guide makes your choice easy and confident.

1. Amazon Basics Enhanced Replacement Water Filters for Water Pitchers, BPA-Free, WQA & NSF Certified, Compatible with Brita Water Pitchers & Drinking Water Filter Systems, 6 Month Filter Supply, 3-Pack

Amazon Basics Enhanced Replacement Water Filters for Water Pitchers, BPA-Free, WQA & NSF Certified, Compatible with Brita Water Pitchers & Drinking Water Filter Systems, 6 Month Filter Supply, 3-Pack

Experience clean, fresh water with our Amazon Basics Enhanced Replacement Water Filters. Made in Europe, these filters meet strict quality standards. They are BPA-free and WQA & NSF certified for safe, healthy drinking water.

These filters are compatible with Amazon Basics and Brita pitchers and dispensers. They help you reduce waste by replacing up to 300 single-use bottles with each cartridge. Perfect for your home, apartment, or college needs.

Each filter lasts 40 gallons or two months and ensures great-tasting water. They are steam treated for hygiene and cleanliness. Enjoy delicious, filtered water every time.

Pros Cons
  • Reduces waste by replacing 300 single-use bottles.
  • Compatible with Amazon Basics and Brita pitchers.
  • Certified to reduce harmful contaminants in water.
  • Fresh taste from multi-stage filtration system.
  • Long-lasting filters last up to two months.
  • Not compatible with Brita Stream pitchers, limiting use for some owners.
  • Filter lifespan claims may not match real-world usage for busy households.
  • Packaging updates lag behind contaminant reduction claims, causing confusion.

Perfect For:

This 3-pack of Amazon Basics Enhanced Replacement Water Filters is perfect for anyone looking to enjoy cleaner, better-tasting water at home. If you own a Brita pitcher or dispenser, these WQA-certified filters will help you reduce waste and save money by filtering out 9 common contaminants.

Ready to Purchase?

2. iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1)

iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1)

Get crystal clear water with the iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters! This 6-count pack is designed for most standard 6-stage RO systems. Enjoy clean and safe drinking water every day.

Experience the benefits of alkaline water with restored healthy minerals like calcium, magnesium, and potassium ions. Your water will taste better, and you’ll feel better too with 97% TDS rejection.

Make filter changes a breeze with the quick-connect design. This pack includes everything you need: sediment filters, carbon filters, RO membrane, and more. Keep your water filtration system running smoothly with these high-quality replacements.

Pros Cons
  • Pure, delicious water for your home.
  • Superior filtration removes up to 97% TDS.
  • Restores healthy minerals, balances pH.
  • Quick-connect filters for easy changes.
  • 6-month replacement needed, frequent filter changes required.
  • No installation tools included, extra purchase might be necessary.
  • RO membrane removes some beneficial minerals, alkaline filter restores them.

Perfect For:

This iSpring F6K75 filter set is perfect for anyone who wants cleaner, better-tasting water right from their tap. It’s ideal for families who want to ensure their drinking water is safe and healthy, and for those who appreciate the convenience of easy filter changes.

Ready to Purchase?

3. PUR Plus Water Filter Replacement for Pitchers & Dispensers, 6-Month Supply, 3 Count, Blue (PPF951K3)

PUR Plus Water Filter Replacement for Pitchers & Dispensers, 6-Month Supply, 3 Count, Blue (PPF951K3)

Upgrade your water with the PUR Plus Water Filter Replacement. It is WQA certified to reduce lead and harmful chemicals. Enjoy cleaner, better-tasting water every day.

Each filter lasts up to 6 months or 40 gallons. That’s about 2 months of fresh water for most families. It’s a great way to save money and reduce plastic waste.

Changing the filter is easy with LockFit design. Simply lock it into your pitcher or dispenser and you are all set. A PUR Plus filter can help you save up to $75 a month compared to bottled water.

Pros Cons
  • Cleaner, safer water for your home.
  • Long-lasting value for months.
  • Improves water taste by reducing impurities.
  • Easy to install for quick changes.
  • Saves money compared to bottled water.
  • Not for all PUR pitchers: Only fits PUR Plus models.
  • Filter life varies: 2 months or 40 gallons can be short for some.

Perfect For:

This PUR Plus Water Filter is perfect for anyone who wants cleaner, better-tasting water at home. It’s ideal for families and health-conscious individuals looking for an easy and affordable way to improve their daily hydration.

Ready to Purchase?

4. BROOK Glass Pet Fountain Filter Replacement Set – 6 Filter Rings & 12 Activated Carbon Pouches – Up to 6 Month Supply Replacement Filters Set for BROOK Cat Fountain

BROOK Glass Pet Fountain Filter Replacement Set – 6 Filter Rings & 12 Activated Carbon Pouches – Up to 6 Month Supply Replacement Filters Set for BROOK Cat Fountain

Keep your pet’s water fresh with the BROOK Glass Pet Fountain Filter Replacement Set. It includes 6 filter rings and 12 activated carbon pouches. These are made to work perfectly with your BROOK cat fountain.

This set can last up to 6 months. It’s easy to replace and keeps your pet’s water clean and tasty.

Pros Cons
  • Keeps water fresh for your pet.
  • Easy to replace filters.
  • Long-lasting supply for months.
  • Perfect fit for BROOK fountains.
  • Ensures clean drinking water.
  • Only fits BROOK fountains.
  • Needs frequent replacement.

Perfect For:

This replacement filter set is perfect for owners of the BROOK glass pet fountain. It ensures your beloved feline friend always has access to fresh, clean water.

Ready to Purchase?

5. iSpring F4DS 6-Month Replacement Supply Filter Cartridge Pack Set for DS4B & DS4S, Sediment, Compound, Carbon Block and Post Carbon Filter (Pack of 1)

iSpring F4DS 6-Month Replacement Supply Filter Cartridge Pack Set for DS4B & DS4S, Sediment, Compound, Carbon Block and Post Carbon Filter (Pack of 1)

Get clean and fresh water with the iSpring F4DS 6-Month Replacement Supply Filter Cartridge Pack Set! This pack includes 4 premium filters – Sediment, Compound, Carbon Block, and Post Carbon – designed to reduce impurities and improve water taste.

These filters are easy to install and maintain, with a durable design that prevents leaks. Enjoy high-quality filtered water for up to 6 months with regular use. Plus, get round-the-clock customer support from iSpring.

Pros Cons
  • Enjoy high quality filtered water at home.
  • Easy DIY install and low maintenance needed.
  • Durable filters mean no leaks, guaranteed!
  • Individually packaged ensuring freshness.
  • Great customer service and support always available.
  • Limited to one filter each per pack.
  • Flushing required 3‑5 minutes before drinking.
  • Replacement cost can be high over time.

Perfect For:

This iSpring F4DS filter set is perfect for anyone who wants clean, great-tasting water at home with easy, do-it-yourself installation. It’s ideal for those who value convenience and reliable water purification without the hassle.

Ready to Purchase?

6. Jumbl Pets Beginner 6-Month Filter Supply Set Including a Bag of Ceramic Rings and 6-Piece Carbon Filter Cartridges for 4-Gallon Aquariums

Jumbl Pets Beginner 6-Month Filter Supply Set Including a Bag of Ceramic Rings and 6-Piece Carbon Filter Cartridges for 4-Gallon Aquariums

Keep your aquarium water crystal clear with Jumbl Pets Beginner 6-Month Filter Supply Set! This set includes ceramic rings and carbon filter cartridges designed for 4-gallon aquariums. Perfect for keeping your fish happy and healthy.

The multi-layered filtration system removes odors, discoloration, and waste, making maintenance a breeze. Replace filters easily and keep your aquarium water looking its best with this universal compatibility set.

Pros Cons
  • Crystal-clear water with dual carbon and ceramic filtration
  • Eliminates odors and discoloration fast with activated carbon
  • Boosts beneficial bacteria for natural waste breakdown
  • Snaps in and out in seconds—no tools needed
  • Fits most 4-gallon tanks, works across brands
  • Limited to 4-gallon tanks, not suitable for larger aquariums.
  • Frequent replacements needed, adding to long-term costs.
  • No indicator for when filters need changing.

Perfect For:

New fish owners and busy pet parents will love how simple this filter set makes keeping a small tank clean. Just drop in the ceramic rings and carbon cartridges for clear, healthy water—no complicated setup or constant scrubbing needed. Replace every few months or when water flow slows, and your 4-gallon aquarium stays fresh with almost no effort. Perfect for betta tanks, desktop setups, or first-time fish keepers who want reliable results fast.

Healthy fish start with clean water—this kit delivers that, every time.

Ready to Purchase?

7. YUSMOO Cat Water Fountain Replacement Filters, 8-Pack Food-Grade Claw Shape Activated Carbon Filters + 8 Pre-Filter Sponges, Triple Filtration for 74oz Pet Fountain (6-8 Months Supply)

YUSMOO Cat Water Fountain Replacement Filters, 8-Pack Food-Grade Claw Shape Activated Carbon Filters + 8 Pre-Filter Sponges, Triple Filtration for 74oz Pet Fountain (6-8 Months Supply)

Fresh, clean water your cat will actually drink—every single day. YUSMOO’s triple-filtration system removes hair, debris, and odors while locking in vital minerals for pure, great-tasting hydration.

Claw-shaped activated carbon traps impurities like a pro. Food-grade materials ensure safety if your curious cat licks or nibbles. Each 8-pack lasts 6–8 months, saving you time and worry.

Change filters effortlessly and keep your fountain running smoothly. Crystal-clear water = happier, healthier pets. Give your cat the gift of freshness—order today.

Pros Cons
  • Triple filtration ensures clean, fresh water for your cat.
  • Food-grade materials keep your pet safe and healthy.
  • Claw shape design fits perfectly in your fountain.
  • 6-8 months supply saves you time and money.
  • Filter changing can be a little messy.
  • Some users want even longer-lasting filters.
  • Cleaning the fountain still needed weekly.

Perfect For:

YUSMOO Cat Water Fountain Replacement Filters are perfect for cat owners who want clean, fresh-tasting water for their pets without constant filter changes.
If you use the 74oz pet fountain, this 8-pack gives you a full 6 to 8 months of worry-free filtration—just swap in a new claw-shaped filter every few weeks and keep your cat happy and hydrated.

The triple filtration system traps hair, dirt, and bad tastes using food-grade activated carbon, so it’s ideal for anyone who values simplicity and safety.
Change filters less often and spend less time fussing—perfect for busy pet parents who still demand the best for their furry friends.

Ready to Purchase?

8. LZMYIVE 12 Pack Replacement Filters Compatible with Petlibro Capsule Dog Fountain PLWF008, 6 Months Supply of Filter Accessories for Dog Water Fountain Dispensers

LZMYIVE 12 Pack Replacement Filters Compatible with Petlibro Capsule Dog Fountain PLWF008, 6 Months Supply of Filter Accessories for Dog Water Fountain Dispensers

The LZMYIVE 12 Pack Replacement Filters are made for the PETLIBRO Capsule Dog Fountain PLWF008. These filters help keep your pet’s water clean and fresh.

This product features a 5-layer filtration system. It removes impurities, heavy metals, and softens water for better quality.

Each pack includes 12 filters and 12 pre-filter sponges. This is enough for about 6 months of use. Remember to change the filter every 2 weeks for the best results.

Pros Cons
  • Fresh water for your dog.
  • 5-layer filtration for purer water.
  • 6 months of filters included.
  • Easy to use and maintain.
  • Frequent filter changes needed.
  • Pre-filter sponges may clog.

Perfect For:

LZMYIVE replacement filters are perfect for pet parents who use the Petlibro Capsule Dog Fountain PLWF008 and want consistently clean, fresh water for their dogs. If you care about your pet’s health and hate the hassle of cloudy water or bad smells, these filters deliver. With 12 packs lasting up to 6 months, they’re ideal for busy owners who value both quality and convenience.

Ready to Purchase?

9. FilterQueen Majestic Replacement Filter Kit, Premium Bundle, 6 Month Supply, Fits All Majestic Surface Cleaners

FilterQueen Majestic Replacement Filter Kit, Premium Bundle, 6 Month Supply, Fits All Majestic Surface Cleaners

The FilterQueen Majestic Replacement Filter Kit is a premium bundle designed for all Majestic Surface Cleaners. It offers a 6-month supply of essential filters to keep your cleaner performing at its best.

This kit includes 6 primary BioCones, 1 Medipure cone, and 1 motor guard filter. All filters are made in the USA by Health-Mor, ensuring quality and reliability. Use genuine filters for the best filtration and performance.

Change BioCones monthly and Medipure filters every 6 months for optimal results. This kit is an original OEM product, so accept no substitutes. Keep your cleaner running smoothly with this trusted bundle.

Pros Cons
  • Genuine Health-Mor OEM filters.
  • USA-made with warranty.
  • 6-month supply included.
  • Premium bundle for best performance.
  • Easy filter replacement.
  • Requires frequent primary filter changes.
  • Only genuine filters ensure peak performance.
  • Higher cost for premium, authentic parts.

Perfect For:

This FilterQueen Majestic Replacement Filter Kit is perfect for homeowners who want to ensure their Majestic Surface Cleaner is always running at its best. It’s for those who value clean air and easy maintenance, with a 6-month supply that keeps their home fresh.

Ready to Purchase?

10. NOBXBON Cat Fountain Filter Replacement: Wireless Pet Water Fountain Filters – 24 Filters for Cordless Cat Drinking Fountain – 12 Pack Carbon Filters + 12 Pack Sponges Filters (6-Month Supply)

NOBXBON Cat Fountain Filter Replacement: Wireless Pet Water Fountain Filters - 24 Filters for Cordless Cat Drinking Fountain - 12 Pack Carbon Filters + 12 Pack Sponges Filters (6-Month Supply)

Keep your cat’s water fresh with NOBXBON filters. This pack has everything you need for clean water. Each filter is easy to use.

They keep water clean and soft for your cat. Replace every two weeks for the best results. Your cat will love it!

Pros Cons
  • Official filters ensure safe, pure water.
  • Easy setup, ready to use filters.
  • Four-stage purification for fresher, tastier water.
  • Protects pet urinary health with clean water.
  • Long-lasting supply for peace of mind.
  • Only official filters recommended.
  • Requires frequent replacement for best results.

Perfect For:

Is your cat your best friend? Do you want to give them the cleanest, freshest water possible? The NOBXBON Cat Fountain Filter Replacement is perfect for pet parents who demand the best for their furry companions. Keep your cat happy and healthy with pure, delicious water every day!

Ready to Purchase?

Buying Guide

Keeping water clean is very simple. Six-month filter supplies can help a lot.

People love how easy these filters make life. Knowing your water is clean brings peace of mind.

Here’s what to think about when picking the best six-month filter supplies:

  • Type of Filter: Some filters work for water pitchers. Others are for under-sink systems or pet fountains. Pick the one that fits what you need.

  • Certification: Look for filters that are WQA or NSF certified. This means they’ve been tested. You know they are safe and work well.

  • Compatibility: Make sure the filter works with your device. Check the product description to be sure. It should say which pitchers or fountains it fits.

  • Filter Life: Most filters last for 6 months. Check how often you needs to change it. Some need changing more often than others.

  • What It Removes: Some filters remove just sediment. Others remove lead and other harmful things. Think about what you want to filter out of your water.

  • Ease of Use: Changing the filter should be quick and easy. Look for filters with a LockFit design or quick-connect features. This makes the job simpler.

  • Pet Safety: If it’s for a pet fountain, make sure it’s safe. Look for food-grade materials. Your pet’s health is what matters.

  • Customer Support: Choose a brand with good customer service. If you have problems, they’ll help you solve them.