10 Best Reverse Osmosis Replacement Filters Cartridges and Membrane

Reverse osmosis filter and membrane play a vital role in your reverse osmosis water system. It is recommended to change Reverse osmosis post and pre-filter after every 12 months and membrane after every 24 months. By doing so, you will make your Reverse Osmosis water system last longer.

Having that in mind let help you find where to buy and find the 10 Best Reverse Osmosis Replacement Filters Cartridges and Membrane for your system.

Review of 10 Best Reverse Osmosis Replacement Filters Cartridges 

iSpring F7-GAC 1

10 Best Reverse Osmosis Replacement Filters Cartridges and Membrane

The F7-GAC comes with seven standard sized 10″ x 2.5″ replacement filters, and each one of them is wrapped on its own to maintain freshness and extend shelf-life.


  • Two 5 Micron 10″ FP15 sediment filters – for the first stage and ideal for removing sand, rust, dirt and other large particles. Replace the filter every six months.
  • Two 5 Micron 10″ FG15Granular Activated Carbon (GAC) filters – for the second stage and should be replaced every six months. It is best for removing chlorine, organic contaminants, halide, odors, and taste.
  • Two 5 Micron 10″ CTO Carbon Block filters (third stage)– Removes any remaining chlorine, odor, and tastes. Replace after every six months.
  • Two 5 Micron 10″ FT15 post carbon inline filter 5-stage) – polishes water in the tank before it is delivered to the faucet. Replace every 12 months.

The replacement filter fits  iSpring RCC7, RCC7P, and other Reverse Osmosis system that use standard sized filter like Apec, Crystal quest, Flowmatic, and Puroline

Other types of iSpring RO replacement filter

iSpring F9K 1-Year Filter Replacement Supply Set For 6-Stage Reverse Osmosis Water Filtration Systems

Whirlpool WHEERF Reverse Osmosis Replacement Pre/Post Water Filters

10 Best Reverse Osmosis Replacement Filters Cartridges and Membrane

The Whirlpool replacement filter is NSF certified to reduce contaminants such lead, cysts, dissolved solids, chlorine taste and odor, sediment, arsenic (pentavalent), barium, cadmium, chromium (vl), chromium (III), copper, nitrate, nitrite, radium, selenium, fluoride, turbidity, ammonium, bicarbonate, bromide, chloride, magnesium, sodium, sulfide, tannin, zinc and chemicals

Make sure you replace the filter every six months to make the system work smoothly and to ensure high-quality water is available for your family

The filter has additional feature it includes an EZ – change indicator light to notify when its time to change the filter

This pre/post filter fits WHAROS5, WHAPSRO, and WHER25 systems.

Watts 7-PK RO Filters Premier 1

10 Best Reverse Osmosis Replacement filters cartridges and membrane

The watts7-PK RO Filters packs seven high-quality replacement filter which is compatible with all standard RO and filtration system.


Two 10-inch sediment filter – removes dust, rust, and silt

Four 10-inch carbon block filters- removes chlorine, chloramines, taste, and odor

One 10-inch polishing filter- for final polishing water

The entire replacement filters are worth replaced every one year and are NSF certified.

The watts replacement filter fits 5-stage Watts reverse osmosis filter and other standard RO system.

Other types of watt RO replacement filter

Watts 5-PK-4SV Premier 1-Year 4-Stage Reverse Osmosis Replacement Filter Kit, 5-Pack

APEC FILTER Reverse Osmosis Water Filter System 

10 Best Reverse Osmosis Replacement filters cartridges and membrane

APEC set includes one sediment filter and two carbon block filter.

First stage polypropylene sediments filter for stage 1 removes rust, dust, and particles while second and third stage extruded carbon block filter removes chlorine, taste, and odor.

The filter is compatible for APEC RO-45, RO-90, RO-PERM, RO-PUMP and all standard sized under counter RO system

Other types of APEC replacement filter

APEC FILTER-MAX-ES50 50 GPD High Capacity Complete Replacement Filter Set For Essence Series Reverse Osmosis Water Filter System

APEC FILTER-SET-ESX2 2 Sets of High Capacity Replacement Pre-Filter Sets for ESSENCE Series Reverse Osmosis Water Filter System Stage 1, 2&3, pack of 2 sediments and four carbon black Filters

APEC FILTER-SET-ES High Capacity Replacement Pre-Filter Set For ESSENCE Series Reverse Osmosis Water Filter System Stage 1, 2&3-61

GE FX12P FX12M replacement filter 

10 Best Reverse Osmosis Replacement filters cartridges and membrane

GE FX12P replaces one 9-3/4-Inch long pre-filter and one 9-3/4-Inch long post-filter. Replace filters every six months or 900 gallons for fresh, filtered water.

The filter is compatible with the GXRM10RBL system and GE Smartwater reverse osmosis water systems.

It is fit for reducing 15 contaminants in water including cysts, chlorine, lead, and arsenic.

The filters are certified by NSF and ANSI thus guarantees safe water for drinking.

Other types GE RO replacement filter

GE Profile FQROPF Reverse Osmosis Replacement Filter Set

Reverse Osmosis Replacement Membrane

GE FX12M Reverse Osmosis Replacement Membrane

The GE FX12M RO replacement membrane fits GE reverse osmosis water filtration systems with a model number that begins with PNRV12, GXRV10, or GXRM10.

It has a filter life of 60 months and actual size of 10-Inches (length) x 1-3/4-Inches (diameter)

It has a filter life of two years

With patented ultra ease technology which allows change of filter with no hassle or mess.

Other types of GE RO replacement membrane

GE Profile FQROMF Reverse Osmosis Replacement Membrane

iSpring MC7 Reverse Osmosis Membrane

The iSpring RO membrane is NSF certified and has a capacity of 75GPD.

The thin film composite membrane high-quality membrane rejects wide spectrum of impurities down to .0001 micron.

It is a standard sized membrane that fits most RO systems.

Whirlpool WHEERM Reverse Osmosis Replacement Membrane

The system is certified to remove various contaminants such as dissolved solids, lead, sediment, cysts, chemicals and chlorine taste and odor.

This system is NSF certified that guarantees clean water for drinking

The whirlpool membrane should be replaced after two years to ensure the system operate properly

With patented UltraEase technology allows filter and membrane change hassle free.

Featuring EZ-Change Indicator Light that notifies when it is time to change the filter.

Bonus video: How to replace reverse osmosis membrane and filter – Apec five stage installation

If you didn’t find what you wanted in our review of 10 Best Reverse Osmosis Replacement Filters Cartridges and Membrane or you just want to know the best Filters Cartridges and Membrane that fit your system. Please feel free to contact us in the comment section, and our team of expert will guide you accordingly.