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Purcooflow WHF2045B301 | 3-Stage Chlorine, Odor Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water Purcooflow WHF2045B301 | 3-Stage Chlorine, Odor Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water

Purcooflow WHF2045B301 | 3-Stage Chlorine, Odor Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water
$359.99 USD Today Only: $249.99
$110 Off Top
Purcooflow P3A Auto-Fill 5-Stage Countertop RO System with Alkaline Mineral and Portable Pitcher Purcooflow P3A Auto-Fill 5-Stage Countertop RO System with Alkaline Mineral and Portable Pitcher

Purcooflow P3A Auto-Fill 5-Stage Countertop RO System with Alkaline Mineral and Portable Pitcher
$269.99 USD Today Only: $159.99
$80 Off Top
Purcooflow WHF2045B303 | 3-Stage PFAS Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water Purcooflow WHF2045B303 | 3-Stage PFAS Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water

Purcooflow WHF2045B303 | 3-Stage PFAS Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water
$439.99 USD Today Only: $359.99
$100 Off Top
Purcooflow P3 Auto-Fill 5-Stage Countertop RO System with Post-CTO Polishing and Portable Pitcher Purcooflow P3 Auto-Fill 5-Stage Countertop RO System with Post-CTO Polishing and Portable Pitcher

Purcooflow P3 Auto-Fill 5-Stage Countertop RO System with Post-CTO Polishing and Portable Pitcher
$259.99 USD Today Only: $159.99
$80 Off Top
Purcooflow WHF2045B302 3-stage heavy metals removal whole house water filter system hero shot with KDF cartridge Purcooflow WHF2045B302 3-stage heavy metals removal whole house water filter system hero shot with KDF cartridge

Purcooflow WHF2045B302 | 3-Stage Heavy Metals Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water
$399.99 USD Today Only: $319.99
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Purcooflow WHF2045C | 20" x 4.5" Clear Whole House Water Filter Housing for Well & City Water Purcooflow WHF2045C | 20" x 4.5" Clear Whole House Water Filter Housing for Well & City Water

Purcooflow WHF2045C | 20" x 4.5" Clear Whole House Water Filter Housing for Well & City Water
$89.99 USD Today Only: $76.5
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Purcooflow WHF2045B 20" x 4.5" Big Blue Housing with Integrated Drain Valve for Well & City Water Purcooflow WHF2045B 20" x 4.5" Big Blue Housing with Integrated Drain Valve for Well & City Water

Purcooflow WHF2045B 20" x 4.5" Big Blue Housing with Integrated Drain Valve for Well & City Water
$79.99 USD Today Only: $72
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Purcooflow WHF1045C | 10" x 4.5" Clear Whole House Water Filter Housing for Well & City Water Purcooflow WHF1045C | 10" x 4.5" Clear Whole House Water Filter Housing for Well & City Water

Purcooflow WHF1045C | 10" x 4.5" Clear Whole House Water Filter Housing for Well & City Water
$65.99 USD Today Only: $59.4
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Purcooflow WHF1045B 10" x 4.5" Compact Big Blue Housing with Integrated Drain Valve for Well & City Water Purcooflow WHF1045B 10" x 4.5" Compact Big Blue Housing with Integrated Drain Valve for Well & City Water

Purcooflow WHF1045B 10" x 4.5" Compact Big Blue Housing with Integrated Drain Valve for Well & City Water
$65.99 USD Today Only: $59.4
Purcooflow WHF2045B303 Replacement Filter Set - 20" x 4.5", 3-Stage Filtration for Sediment, Chlorine, PFAS Purcooflow WHF2045B303 Replacement Filter Set - 20" x 4.5", 3-Stage Filtration for Sediment, Chlorine, PFAS

Purcooflow WHF2045B303 Replacement Filter Set - 20" x 4.5", 3-Stage Filtration for Sediment, Chlorine, PFAS
$159.99 USD Today Only: $144
Purcooflow WHF2045B302 Replacement Filter Set - 20" x 4.5", 3-Stage PP, KDF & CTO for Iron, Manganese, Lead, Mercury Removal Purcooflow WHF2045B302 Replacement Filter Set - 20" x 4.5", 3-Stage PP, KDF & CTO for Iron, Manganese, Lead, Mercury Removal

Purcooflow WHF2045B302 Replacement Filter Set - 20" x 4.5", 3-Stage PP, KDF & CTO for Iron, Manganese, Lead, Mercury Removal
$159.99 USD Today Only: $144
Purcooflow WHF2045B301 Replacement Filter Set – 20" x 4.5", 3-Stage PP + GAC + CTO Cartridges Purcooflow WHF2045B301 Replacement Filter Set – 20" x 4.5", 3-Stage PP + GAC + CTO Cartridges

Purcooflow WHF2045B301 Replacement Filter Set – 20" x 4.5", 3-Stage PP + GAC + CTO Cartridges
$119.99 USD Today Only: $108
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Purcooflow 20" x 4.5" 5 Micron CTO⁺ Specialized PFAS Removal Filter - Whole House Carbon Block for PFOA/PFOS & Chlorine Purcooflow 20" x 4.5" 5 Micron CTO⁺ Specialized PFAS Removal Filter - Whole House Carbon Block for PFOA/PFOS & Chlorine

Purcooflow 20" x 4.5" 5 Micron CTO⁺ Specialized PFAS Removal Filter - Whole House Carbon Block for PFOA/PFOS & Chlorine
From $169.99 USD
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Purcooflow 20x4.5 Inch 5 Micron MPP Sediment Water Filter, Reduces Sand, Rust, Dirt & Silt Purcooflow 20x4.5 Inch 5 Micron MPP Sediment Water Filter, Reduces Sand, Rust, Dirt & Silt

Purcooflow 20x4.5 Inch 5 Micron MPP Sediment Water Filter, Reduces Sand, Rust, Dirt & Silt
From $79.99 USD
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Purcooflow 20" x 4.5" 5 Micron GAC Granular Activated Carbon Filter - High-Flow Coconut Shell Replacement Cartridge Purcooflow 20" x 4.5" 5 Micron GAC Granular Activated Carbon Filter - High-Flow Coconut Shell Replacement Cartridge

Purcooflow 20" x 4.5" 5 Micron GAC Granular Activated Carbon Filter - High-Flow Coconut Shell Replacement Cartridge
From $89.99 USD
ADVANCED FILTRATION

3-Stage Advanced Whole House Pre-Filtration

Superior technology for every drop of your home's water.

PP Sediment Pre-Filter
CTO Activated Carbon Filter
CTO Specialized PFAS Removal Filter
01
PP Sediment Pre-Filter

The first defense. Blocks rust, sand, and large particles to help protect and extend system life.

02
CTO Activated Carbon

Deep adsorption. Reduces chlorine, unpleasant odors, and organic chemicals for cleaner, better-tasting water.

03
CTO⁺ Specialized PFAS Removal Filter

Engineered with advanced carbon technology specifically targeted to capture PFAS, including PFOA and PFOS.

NOT SURE WHICH FILTER YOU NEED?

Find the Right Water Filter.

Answer a few quick questions and discover the Purcooflow water filtration system designed for your home and your water.
FIND YOUR WATER FILTER
Real Customer Experiences

Trusted by 0+ Families

★★★★★
4.9/5 Based on 50,000+ Reviews
Purcooflow customer review
★★★★★

"I was happy to discover this Purcooflow countertop RO pitcher system. I have other Purcooflow water filtration products and have been very satisfied with them. Also, I can report that I have had very positive experience when corresponding with Purcooflow."

TBone ✓ Verified
Purcooflow customer review
★★★★★

"I was looking for a home filtration system that was able to filter out polyfluoroalkyl substances (PFAS) from the city water, and this filter set does exactly that. This system is very well engineered..."

Make It Fig ✓ Verified
Purcooflow customer review
★★★★★

"I’ve installed quite a few whole house filter housings over the years, and this one stands out right out of the box as a solid option. The build quality immediately gave me confidence."

Bella ✓ Verified
Purcooflow customer review
★★★★★

"The KDF filtration media is excellent for filtering chlorine and heavy metals. The addition of activated carbon will filter volatile organic chemicals (VOCs) and remove foul tastes."

Shutterman ✓ Verified
Purcooflow customer review
★★★★★

"I will be installing it in a small home which we will be constructing. The quality of this Purcooflow canister is every bit as good as name brands I've used before."

Shutterman ✓ Verified

Tech Guides

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Purcooflow Official

Best Countertop RO Systems for Home Use 2026
Purcooflow Official

Whole House Water Filter Buying Guide: How to Choose the Right System
Purcooflow Official

Countertop RO vs Water Filter Pitcher: Which Is Better for Your Home?
Purcooflow Official

How to Remove PFAS and Microplastics: Is Your RO System Enough?

Big Impact, Small Cost

Excellence in purity, sustainability in mind.

ENVIRONMENTAL IMPACT
0
SINGLE-USE BOTTLES AVOIDED

Replace thousands of single-use plastic bottles with filtered water at home.

*Estimated based on 300 gallons of annual household consumption compared with standard 16.9 oz bottled water.
COST SAVINGS
0
LOWER ESTIMATED COST PER LITER
BOTTLED $0.65/L
PURCOOFLOW $0.05/L
Estimated savings of $500+ per year

Spend less on bottled water and transportation while enjoying filtered water at home.

*Estimated filtration cost compared with average retail bottled-water pricing and annual filter replacement costs.
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