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Max Contaminant Removal

Premium Quality

Tested & Certified

Eco-Friendly

Easy To Use

Max Contaminant Removal

Premium Quality

Tested & Certified

Eco-Friendly

Easy To Use

Replacement Filters

Empty Refillable Cartridge 10

Empty Refillable Cartridge 10" x 2.5" Clear (EC-25975-C)

price $12.00
Empty Refillable Cartridge 10

Empty Refillable Cartridge 10" x 2.5" Clear (FI-EC10C)

price $12.00
Empty Refillable Cartridge 10

Empty Refillable Cartridge 10" x 2.5" White/White (EC-25975-W)

price $10.50
Empty Refillable Cartridge 10

Empty Refillable Cartridge 10" x 2.5" White/White (FI-EC10W)

price $10.50
Empty Refillable Cartridge 10

Empty Refillable Cartridge 10" x 4.5" Clear

price $25.00
Empty Refillable Cartridge 20

Empty Refillable Cartridge 20" x 4.5" Clear

price $51.81
Empty Refillable Cartridge 20

Empty Refillable Cartridge 20" x 4.5" White

price $50.65
Empty Refillable Cartridge 20

Empty Refillable Cartridge 20"x 2.5" Clear

price $30.46
Empty Refillable Cartridge 20

Empty Refillable Cartridge 20"x 2.5" White

price $23.66
Harmsco (801-0.35-20) 20

Harmsco (801-0.35-20) 20"x2.5" 801 Series Sediment Pleated 0.35 Micron Filter

price $64.80
Harmsco (801-1-20) 20

Harmsco (801-1-20) 20"x2.5" 801 Series Sediment Pleated 1 Micron Filter

price $51.23
IPW Industries Inc - Compatible 105311 RO PURE Sediment Filter

IPW Industries Inc - Compatible 105311 RO PURE Sediment Filter

price $13.68
IPW Industries Inc - Empty Refillable Cartridge 10

IPW Industries Inc - Empty Refillable Cartridge 10" x 4.5" White

price $26.50
IPW Industries Inc Compatible 105341 RO PURE GAC Carbon Filter

IPW Industries Inc Compatible 105341 RO PURE GAC Carbon Filter

price $22.96
IPW Industries Inc Compatible 105351 RO PURE Carbon Pre-Filter

IPW Industries Inc Compatible 105351 RO PURE Carbon Pre-Filter

price $17.40
Watts (105377) Alkaline Replacement Water Filter w- 1/4

Watts (105377) Alkaline Replacement Water Filter w- 1/4" Quick Connects

price $460.70
Watts (MAXETW-975) 10

Watts (MAXETW-975) 10" x 2.5" C-MAX Carbon Block Chlorine Reduction 5 Micron Filter

price $23.39
Watts (WQC4RO-FILTERKIT) Kwik Change 11

Watts (WQC4RO-FILTERKIT) Kwik Change 11" Pre- and Post- Filter and Membrane Replacement 6 Pack

$293.35 $308.79
Watts (WQC4RO11) 11'' Elements 4 Filter Quick Change RO Unit Replacement Filter Annual Bundle

Watts (WQC4RO11) 11'' Elements 4 Filter Quick Change RO Unit Replacement Filter Annual Bundle

$162.44 $170.99
Watts (WQC4RO13) 13'' Elements 4 Filter Quick Change RO Unit Replacement Filter Annual Bundlle

Watts (WQC4RO13) 13'' Elements 4 Filter Quick Change RO Unit Replacement Filter Annual Bundlle

$169.71 $177.84
Watts (WQCCC) Kwik-Change RO Pre-Carbon Block Filter

Watts (WQCCC) Kwik-Change RO Pre-Carbon Block Filter

price from $44.13
Watts (WQCFU-5PK) 3-Stage Ultrafiltration System Replacement Filter 5 Pack

Watts (WQCFU-5PK) 3-Stage Ultrafiltration System Replacement Filter 5 Pack

$208.39 $219.99
Watts (WQCHFC13) 13

Watts (WQCHFC13) 13" Kwik-Change RO Hollow Fiber Membrane (UF)

price $87.90
Watts - BBC-150-D - Big-Bubba Melt-Blown Polypropylene Depth Cartridge

Watts - BBC-150-D - Big-Bubba Melt-Blown Polypropylene Depth Cartridge

price from $121.38

Water Filtration Solutions

Premium Replacement Filters for Every System

High-performance cartridges engineered to remove contaminants and ensure pure, clean water throughout your home or business

Multiple Micron Ratings Carbon & Sediment Options Industry Standard Sizes

To ensure the best water quality, it's essential to choose the right filter for your specific needs. Our comprehensive replacement filter collection includes carbon block, sediment, pleated cellulose, and specialized filtration cartridges designed to tackle chlorine, lead, cysts, and particulate contamination in standard 10" x 2.5" housing sizes.

Filter Categories

Choose Your Filtration Technology

Carbon Block Filters

Advanced activated carbon technology removes chlorine, taste, odor, and organic contaminants while providing sub-micron filtration. Options include lead reduction, cyst removal, and radial flow designs for maximum contact time and chemical absorption.

Sediment Filters

Mechanical filtration removes dirt, rust, sand, and particulate matter from water sources. Available in pleated cellulose and wound polypropylene configurations with micron ratings from 1 to 50 microns, suitable for pre-filtration and whole-house applications.

Specialty Cartridges

Engineered for targeted contaminant removal including lead reduction, cyst filtration, and microbiological protection. Features include flow restrictors for optimal contact time, PES membrane technology, and certified performance for health-related contaminant reduction.

Replacement Process

How to Replace Your Filter Cartridge

1

Shut Off and Depressurize

Turn off the water supply to your filtration system and open a downstream faucet to release pressure from the housing. Use a filter wrench to carefully unscrew the housing sump, keeping a bucket nearby to catch any remaining water inside the filter housing.

2

Remove and Replace Cartridge

Take out the old filter cartridge and dispose of it properly. Clean the inside of the housing with mild soap and water, inspect the o-ring for damage or wear, and apply a thin layer of food-grade silicone grease before installing the new cartridge into the housing sump.

3

Reassemble and Flush System

Thread the housing back onto the filter head hand-tight, then snug with a wrench without over-tightening. Slowly turn the water supply back on and check for leaks. Run water through the system for five minutes to flush out any carbon fines or air from the new filter before normal use.

Expert Tip: Replace sediment pre-filters every three to six months and carbon block filters every six to twelve months depending on water quality and usage volume. Mark your calendar on installation day to ensure timely replacement and maintain optimal filtration performance and flow rate.

Precise Contaminant Removal

Each filter is engineered with specific micron ratings and filtration media to target particular contaminants, from large sediment particles down to sub-micron cysts and lead, ensuring your water meets the highest purity standards.

Universal Compatibility

Standard 10 inch by 2.5 inch dimensions fit most residential and commercial filter housings from major manufacturers, making it easy to find the right replacement cartridge for your existing water treatment system.

Eco-Friendly Options

Select from environmentally conscious filtration solutions including coconut shell carbon, renewable cellulose media, and recyclable polypropylene materials that deliver exceptional performance while minimizing environmental impact.

Certified Performance

Our replacement filters meet or exceed NSF and industry standards for contaminant reduction, structural integrity, and material safety, providing documented assurance that your water filtration system operates at peak efficiency.

Need Help?

Our experts are here to answer all your questions.



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