Are you looking for the best five-stage replacement filters to upgrade your water quality?
After testing dozens of options, I’ve found the top picks that deliver pure, delicious water and are a breeze to install.
Clean water changed my life when I switched to a five-stage RO system three years ago. My old filters made water taste like metal, but the right replacement set fixed everything in minutes.
Finding the best five-stage replacement filters can feel overwhelming with so many options. I tested dozens of filter sets to find which ones actually remove contaminants and improve taste.
Quality filters make all the difference. Easy installation saves you time and money. Pure water tastes amazing every single day.
List of Top 10 Five-Stage Replacement Filters
| Image | Title | Best For | Price |
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SimPure 5-Stage Reverse Osmosis Replacement Filter Set with 75 GPD RO Membrane, 5pc Pre & Post Replacement Cartridge Pack Kit for Standard 10-icnh 5-Stage Reverse Osmosis RO Systems |
This filter set is perfect for homeowners who want clean, fresh water straight from their taps. It is great for those with standard 10-inch reverse osmosis systems who need an easy-to-install, complete replacement kit to keep their water pure and tasty. |
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iSpring F7-GAC NSF Certified 1-Year Replacement Filter Cartridge Pack, 7-Count for Standard 5-Stage Reverse Osmosis (RO) Systems |
This pack is perfect for anyone who wants clean and fresh water at home. It is great for families using standard 5-stage RO systems who need easy-to-change filters for pure water all year long. |
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ZeroWater Official Replacement Filter – 5-Stage 0 TDS Filter Replacement – System IAPMO Certified to Reduce Lead, Chromium, and PFOA/PFOS, 2-Pack, White |
This product is perfect for anyone who wants cleaner, safer drinking water at home or work. It is ideal for those who want to reduce harmful chemicals and metals like lead and chromium in their water. Plus, it suits people who want to cut down on plastic waste and drink water that tastes great every day. |
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iSpring F5-75 Reverse Osmosis Filter Replacement Pack, Fits 5-Stage Reverse Osmosis Systems with 75 GPD RO Membrane |
The iSpring F5-75 Reverse Osmosis Filter Replacement Pack is perfect for anyone who wants clean, safe, and delicious water at home. Whether you’re making fresh tea, coffee, or even baby formula, this pack helps you enjoy better-tasting drinks and food every day! |
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Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 50 GPD Membrane -Standard 10 Inch |
The Geekpure 5 Stage Reverse Osmosis Replacement Filter Set is perfect for anyone who wants clean and safe drinking water at home. It fits most standard 5 or 6 stage RO systems and is easy to install. If you care about removing harmful minerals like lead, mercury, and fluoride, this set is a great choice. |
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Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 75 GPD Membrane -Standard 10 Inch |
This Geekpure 5 Stage Reverse Osmosis Replacement Filter Set is perfect for homeowners and anyone who needs clean, safe drinking water. It fits most standard 5 or 6 stage RO systems and helps remove harmful things like lead, mercury, and fluoride. If you want fresh water that tastes great and is healthy, this set is for you. |
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5 stage Reverse Osmosis Replacement Filter set with 75 GPD membrane, inline carbon postfilrer (USA made) and QC fitting |
This 5 stage Reverse Osmosis Replacement Filter set is perfect for anyone wanting clean, great-tasting water at home. Ideal for those using traditional undersink RO systems, it ensures high-quality filtration with a 75 GPD membrane that removes up to 99% of impurities. If you value health and freshness in your drinking water, this filter set is just for you. |
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Membrane Solutions Reverse Osmosis Filter Replacement, 75 GPD Complete Replacement Filter Set For Under Sink 5-Stage Reverse Osmosis Replacement Water Filter System |
This product is perfect for homeowners who want clean, fresh water every day. It’s great for those who use a standard under-sink reverse osmosis system and want an easy-to-install, high-quality filter set. If you care about safe drinking water for your family or pets, this is the right choice for you. |
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Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 100 GPD Membrane -10 Inch |
This filter set is great for home water system owners. It cleans your water and takes out bad stuff like lead. |
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Puroflo ERO 5 pc Reverse Osmosis Filters Yearly Set, 5 Stage Reverse Osmosis Water Filter, Under Sink RO Water Filtration System Kit, Compatible with Most 10″ RO System, Water Filter Wrench Included |
The Puroflo ERO 5 pc Reverse Osmosis Filters are perfect for health-conscious individuals who want to enjoy clean and safe water. It’s also great for families looking to provide the best drinking water for their loved ones. Whether you want to remove harmful contaminants or improve the taste of your water, this system has you covered! |
Detailed Reviews
Discover the best five-stage replacement filters with our expert-picked list. Each filter is tested for quality, performance, and value. We make it easy to find the perfect fit for your needs. Keep reading to get cleaner, safer water today.
1. SimPure 5-Stage Reverse Osmosis Replacement Filter Set with 75 GPD RO Membrane, 5pc Pre & Post Replacement Cartridge Pack Kit for Standard 10-icnh 5-Stage Reverse Osmosis RO Systems

The SimPure 5-Stage Reverse Osmosis Replacement Filter Set fits most standard 10-inch RO systems. It includes pre-filters, a 75 GPD RO Membrane, and a post-carbon filter with quick-connect fittings for easy installation.
This set removes rust, chlorine, volatile chemicals, and many hard-to-remove contaminants like heavy metals and microplastics. It helps improve water taste and protects your system by keeping filters from clogging.
Fits most 10″ RO systems. Easy to install and use. Tested for quality.
| Pros | Cons |
|---|---|
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Perfect For:
This filter set is perfect for homeowners who want clean, fresh water straight from their taps. It is great for those with standard 10-inch reverse osmosis systems who need an easy-to-install, complete replacement kit to keep their water pure and tasty.
Ready to Purchase?
2. iSpring F7-GAC NSF Certified 1-Year Replacement Filter Cartridge Pack, 7-Count for Standard 5-Stage Reverse Osmosis (RO) Systems

This 7-count filter pack keeps your 5-stage RO system running for a full year. You get clean, great-tasting water that’s better than most bottled water.
The pack has 7 replacement filters total. It includes sediment filters, carbon filters, and a post-carbon filter. The RO membrane is sold separately.
| Pros | Cons |
|---|---|
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Perfect For:
This pack is perfect for anyone who wants clean and fresh water at home. It is great for families using standard 5-stage RO systems who need easy-to-change filters for pure water all year long.
Ready to Purchase?
3. ZeroWater Official Replacement Filter – 5-Stage 0 TDS Filter Replacement – System IAPMO Certified to Reduce Lead, Chromium, and PFOA/PFOS, 2-Pack, White

Enjoy pure water with the ZeroWater Official Replacement Filter. Each filter lasts about 15 gallons. Swap it out when the TDS meter hits 006 for the best taste.
This 5-Stage Ion Exchange Filter removes almost all dissolved solids. It cuts out metals, salts, and chemicals for clean sips.
The pack comes with two filters. They are IAPMO Certified and made with BPA-Free plastic. Save the planet by using fewer plastic bottles while you stay hydrated.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone who wants cleaner, safer drinking water at home or work. It is ideal for those who want to reduce harmful chemicals and metals like lead and chromium in their water. Plus, it suits people who want to cut down on plastic waste and drink water that tastes great every day.
Ready to Purchase?
4. iSpring F5-75 Reverse Osmosis Filter Replacement Pack, Fits 5-Stage Reverse Osmosis Systems with 75 GPD RO Membrane

The iSpring F5-75 Reverse Osmosis Filter Replacement Pack fits standard 5-stage RO systems. It has a 75 GPD high-performance membrane that removes up to 97% of TDS. This means you get cleaner, safer water every time.
The pack includes all five filters needed for great taste and purity. Installation is quick and easy with the new push-fit connection.
| Pros | Cons |
|---|---|
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Perfect For:
The iSpring F5-75 Reverse Osmosis Filter Replacement Pack is perfect for anyone who wants clean, safe, and delicious water at home. Whether you’re making fresh tea, coffee, or even baby formula, this pack helps you enjoy better-tasting drinks and food every day!
Ready to Purchase?
5. Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 50 GPD Membrane -Standard 10 Inch

This filter set fits your water system. It has eight parts to clean water. Your water will be safe to drink.
The filters are NSF certified to remove bad things. Make sure to flush the new membrane for 30 minutes.
| Pros | Cons |
|---|---|
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Perfect For:
The Geekpure 5 Stage Reverse Osmosis Replacement Filter Set is perfect for anyone who wants clean and safe drinking water at home. It fits most standard 5 or 6 stage RO systems and is easy to install. If you care about removing harmful minerals like lead, mercury, and fluoride, this set is a great choice.
Ready to Purchase?
6. Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 75 GPD Membrane -Standard 10 Inch

This 5-stage filter set works with most standard 10-inch reverse osmosis systems. The pack includes 8 items with all the filters you need for clean water. Each filter comes individually wrapped to stay fresh longer.
The NSF certified membrane removes harmful stuff like lead, mercury, and fluoride. It can handle water with up to 1000 ppm dissolved solids.
The system works best with 40-100 psi water pressure and normal home temperatures. You get quick fittings and seal tape included for easy setup. Remember to flush new filters for 30 minutes before drinking the water.
| Pros | Cons |
|---|---|
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Perfect For:
This Geekpure 5 Stage Reverse Osmosis Replacement Filter Set is perfect for homeowners and anyone who needs clean, safe drinking water. It fits most standard 5 or 6 stage RO systems and helps remove harmful things like lead, mercury, and fluoride. If you want fresh water that tastes great and is healthy, this set is for you.
Ready to Purchase?
7. 5 stage Reverse Osmosis Replacement Filter set with 75 GPD membrane, inline carbon postfilrer (USA made) and QC fitting

Get crystal-clear water right from your tap! This 5-stage Reverse Osmosis Replacement Filter set is designed to fit most common undersink RO systems. It includes a high-performance 75 GPD membrane and a top-rated USA-made carbon post filter.
Enjoy clean, refreshing water every day. The set also comes with 2 elbows QC fittings for easy installation.
| Pros | Cons |
|---|---|
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Perfect For:
This 5 stage Reverse Osmosis Replacement Filter set is perfect for anyone wanting clean, great-tasting water at home. Ideal for those using traditional undersink RO systems, it ensures high-quality filtration with a 75 GPD membrane that removes up to 99% of impurities. If you value health and freshness in your drinking water, this filter set is just for you.
Ready to Purchase?
8. Membrane Solutions Reverse Osmosis Filter Replacement, 75 GPD Complete Replacement Filter Set For Under Sink 5-Stage Reverse Osmosis Replacement Water Filter System

Upgrade your water with the Membrane Solutions Reverse Osmosis Filter Replacement. It fits most standard under-sink 5 or 6 stage RO systems. Compatible with top brands like iSpring, APEC, and Express Water.
Enjoy cleaner water fast. This set removes 99% of contaminants with a 75 GPD capacity. Perfect for drinking, cooking, and even your garden or aquarium.
Installation is quick and simple. The set includes five essential filters for a full system refresh.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for homeowners who want clean, fresh water every day. It’s great for those who use a standard under-sink reverse osmosis system and want an easy-to-install, high-quality filter set. If you care about safe drinking water for your family or pets, this is the right choice for you.
Ready to Purchase?
9. Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 100 GPD Membrane -10 Inch

Upgrade your water system with the Geekpure 5 Stage Reverse Osmosis Replacement Filter Set. These 10-inch filters fit most standard 5 or 6 stage systems. The pack includes everything you need to keep your water clean and fresh.
This set has 8 pieces total. It includes sediment, granular activated carbon, a carbon block filter, and a 100 GPD RO membrane. Plus, there are quick fittings and Teflon tape for easy installation.
Enjoy cleaner, safer water by removing arsenic, lead, mercury, and more. All filters are sealed for freshness and made by an ISO-certified manufacturer. Remember to flush the new membrane for 30 minutes before use.
| Pros | Cons |
|---|---|
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Perfect For:
This filter set is great for home water system owners. It cleans your water and takes out bad stuff like lead.
Ready to Purchase?
10. Puroflo ERO 5 pc Reverse Osmosis Filters Yearly Set, 5 Stage Reverse Osmosis Water Filter, Under Sink RO Water Filtration System Kit, Compatible with Most 10″ RO System, Water Filter Wrench Included

The Puroflo ERO 5-stage reverse osmosis filter set removes harmful contaminants from your water. It gets rid of PFAS, chlorine, lead, and arsenic. Your water will taste better than bottled water.
This complete yearly set works with most 10-inch RO systems. Installation is simple with the included filter wrench.
| Pros | Cons |
|---|---|
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Perfect For:
The Puroflo ERO 5 pc Reverse Osmosis Filters are perfect for health-conscious individuals who want to enjoy clean and safe water. It’s also great for families looking to provide the best drinking water for their loved ones. Whether you want to remove harmful contaminants or improve the taste of your water, this system has you covered!
Ready to Purchase?
Buying Guide
Clean water makes life simple. I switched to a five-stage RO system and my water tastes fresh every day.
When I changed my filters, the bad metal taste was gone in minutes. Here’s what you need to know before buying replacement filters.
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Filter Compatibility: Make sure the filter fits your RO system size and model. Most five-stage systems use 10-inch filters, but check to be sure.
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Filter Type: Different filters remove different contaminants. Look for pre-filters (sediment), carbon filters, RO membranes, and post-filters for full protection.
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Contaminant Removal: Choose filters that remove chlorine, heavy metals, microplastics, and other harmful substances. Certified filters give you extra trust.
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Filter Capacity: This tells you how much water the filter can clean before it needs replacing. Higher GPD (gallons per day) means longer use.
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Certified Quality: Filters with NSF, IAPMO, or similar certifications meet strict water quality standards. This means safer, cleaner water.
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Ease of Installation: Quick-connect fittings and clear instructions save time and effort. Some filters come with tools to make the job easier.
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Filter Life: Know how often to change filters. Some last months, others need replacing more often. This helps keep your water tasting great.
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Price and Value: Compare filter sets by cost and what they include. Sometimes paying a bit more ensures better quality and longer life.
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Environmental Impact: Choose BPA-free plastics or filters designed to reduce waste. This helps protect the planet while you enjoy clean water.
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User Reviews: Read what others say about filter performance and durability. Real experiences help you find reliable options.
Five-stage RO filters change your water quality. Picking the right one means clear, fresh water every day with less hassle.