Product Price Filter Capacity (gallons) Micron Rating (microns) Flow Rate (gpm) Contaminant Removal Whole House Coverage Installation Difficulty Warranty (years)
SpringWell CF4 Whole House Water Filter System
US
£963.14 1,000,000 gallons 5 micron sediment filter 12 GPM Chlorine, chloramine, PFAS, PFOA, PFOS, pesticides, herbicides, haloacetic acids, VOCs, sediment, sulfur, heavy metals DIY with plumbing knowledge Lifetime warranty

The SpringWell CF4 is a high-capacity whole-house system for city water, using KDF, catalytic carbon, and sediment filtration. It provides 12 GPM flow for homes with 4-6 bathrooms, with media rated for 1,000,000 gallons or 10 years and sediment-filter replacement every 6-9 months.

★ Ideal for

It suits someone seeking a durable whole-house filtration system because its media is rated for 1,000,000 gallons or 10 years and the system includes a lifetime warranty.

Aquasana Rhino WH-1000 Whole House Water Filter
US
£1474.61 1000000 gallons or 10 years 7 GPM rated, 14.6 GPM peak Up to 97% chlorine Professional installation recommended 10-year limited warranty

The Aquasana Rhino WH-1000 is a whole-house water filtration system with a 1000000-gallon or 10-year capacity and a 7 GPM rated flow rate. It reduces up to 97% of chlorine throughout the home and suits households with up to 2.5 bathrooms and 4 people.

★ Ideal for

This product suits anyone seeking a durable whole-house filtration system with a long lifespan because its tank is rated for 1000000 gallons or 10 years and includes a 10-year limited warranty.

Crystal Quest SMART Whole House Water Filter CQE-WH-01114
US
£1321.83 1,000,000 gallons 9-11 GPM Chlorine, chloramines, VOCs, THMs, pesticides, sulfur, heavy metals, hydrogen sulfide, and iron oxides Easy 1 year limited warranty

This whole-house system uses multi-stage filtration to reduce chlorine, chloramines, organic contaminants, heavy metals, and other impurities throughout the home. Its 1,000,000-gallon capacity and 9-11 GPM flow rate suit households with 1-3 bathrooms seeking long intervals between media replacements.

★ Ideal for

It suits people seeking a durable whole-house system with a long lifespan because its media is rated for 1,000,000 gallons, typically lasts 4-7 years, and requires only periodic automatic backwashing.