Compare Whole-House Water Filters

Closely matched whole-house water filters side by side, 81 pairs in all. Each pair is scored the same way, with the independent tests and specs that separate them. See the full ranking.

Compare any two

FirstChoose a product…3M Aqua-Pure AP903 – $422.993M Aqua-Pure AP904 – $421.18Express Water Anti-Scale WH300SCPS – $503.12Express Water Essential Pro WH300SCGS-S – $469.99Express Water Heavy Metal WH300SCKS – $499.99Express Water Ultimate Protection WH300SCKP – $443.14GE GXWH40L – $69.85GE GXWH60T – $99GE GXWH70M Smart – $194.65Home Master HMF2SdgC – $359.95Home Master HMF2SmgCC – $375.48iSpring WGB21B – $155.15iSpring WGB21B-PB – $230.99iSpring WGB22B – $286.70iSpring WGB32B – $420iSpring WGB32B-KSNC – $543.15iSpring WGB32B-PFKS – $749.99Pentair Pentek FloPlus Protect 20BB – $258Waterdrop WHF21-PG – $106.98Waterdrop WHF3T-PG – $254.99A. O. Smith AO-WH-FILTER – $399Aquasana Rhino Max Flow with UV – $2,246.99Aquasana Rhino WH-1000 – $999iSpring WF1054 – $1,417.99iSpring WF150K – $1,673.70LiquaGen FK-CAT 10x54 – $849.99vsSecondChoose a product…3M Aqua-Pure AP903 – $422.993M Aqua-Pure AP904 – $421.18Express Water Anti-Scale WH300SCPS – $503.12Express Water Essential Pro WH300SCGS-S – $469.99Express Water Heavy Metal WH300SCKS – $499.99Express Water Ultimate Protection WH300SCKP – $443.14GE GXWH40L – $69.85GE GXWH60T – $99GE GXWH70M Smart – $194.65Home Master HMF2SdgC – $359.95Home Master HMF2SmgCC – $375.48iSpring WGB21B – $155.15iSpring WGB21B-PB – $230.99iSpring WGB22B – $286.70iSpring WGB32B – $420iSpring WGB32B-KSNC – $543.15iSpring WGB32B-PFKS – $749.99Pentair Pentek FloPlus Protect 20BB – $258Waterdrop WHF21-PG – $106.98Waterdrop WHF3T-PG – $254.99A. O. Smith AO-WH-FILTER – $399Aquasana Rhino Max Flow with UV – $2,246.99Aquasana Rhino WH-1000 – $999iSpring WF1054 – $1,417.99iSpring WF150K – $1,673.70LiquaGen FK-CAT 10x54 – $849.99Compare

The picker needs JavaScript. Each listed comparison has its own page.

• Cartridge 65
• Tank 12
• Across builds 4

Best Whole-House Cartridge Water Filters

• iSpring WGB21B vs Waterdrop WHF21-PG
• GE GXWH70M Smart vs iSpring WGB21B
• 3M Aqua-Pure AP903 vs Waterdrop WHF3T-PG
• iSpring WGB22B vs Waterdrop WHF3T-PG
• 3M Aqua-Pure AP904 vs Waterdrop WHF3T-PG
• GE GXWH40L vs Waterdrop WHF21-PG
• 3M Aqua-Pure AP903 vs iSpring WGB22B
• 3M Aqua-Pure AP903 vs 3M Aqua-Pure AP904
• GE GXWH40L vs iSpring WGB21B
• 3M Aqua-Pure AP904 vs iSpring WGB22B
• iSpring WGB32B-KSNC vs Waterdrop WHF3T-PG
• iSpring WGB32B vs Waterdrop WHF3T-PG
• iSpring WGB21B-PB vs Waterdrop WHF21-PG
• 3M Aqua-Pure AP903 vs iSpring WGB32B-KSNC
• 3M Aqua-Pure AP903 vs iSpring WGB32B
• iSpring WGB22B vs iSpring WGB32B
• iSpring WGB21B vs iSpring WGB21B-PB
• 3M Aqua-Pure AP904 vs iSpring WGB32B-KSNC
• 3M Aqua-Pure AP904 vs iSpring WGB32B
• GE GXWH60T vs Waterdrop WHF21-PG
• Home Master HMF2SdgC vs Waterdrop WHF3T-PG
• GE GXWH60T vs iSpring WGB21B
• Express Water Essential Pro WH300SCGS-S vs Waterdrop WHF3T-PG
• iSpring WGB21B-PB vs Waterdrop WHF3T-PG
• 3M Aqua-Pure AP903 vs Home Master HMF2SdgC
• Home Master HMF2SdgC vs iSpring WGB22B
• 3M Aqua-Pure AP903 vs Express Water Essential Pro WH300SCGS-S
• iSpring WGB32B vs iSpring WGB32B-KSNC
• Express Water Essential Pro WH300SCGS-S vs iSpring WGB22B
• 3M Aqua-Pure AP904 vs Express Water Essential Pro WH300SCGS-S
• Home Master HMF2SmgCC vs iSpring WGB21B
• Express Water Ultimate Protection WH300SCKP vs Waterdrop WHF3T-PG
• GE GXWH70M Smart vs iSpring WGB21B-PB
• 3M Aqua-Pure AP903 vs Express Water Ultimate Protection WH300SCKP
• Express Water Anti-Scale WH300SCPS vs Waterdrop WHF3T-PG
• Express Water Ultimate Protection WH300SCKP vs iSpring WGB22B
• Express Water Heavy Metal WH300SCKS vs Waterdrop WHF3T-PG
• 3M Aqua-Pure AP903 vs Express Water Anti-Scale WH300SCPS
• Express Water Anti-Scale WH300SCPS vs iSpring WGB22B
• Home Master HMF2SmgCC vs Waterdrop WHF3T-PG
• Express Water Essential Pro WH300SCGS-S vs iSpring WGB32B-KSNC
• 3M Aqua-Pure AP903 vs Express Water Heavy Metal WH300SCKS
• Express Water Heavy Metal WH300SCKS vs iSpring WGB22B
• GE GXWH60T vs GE GXWH70M Smart
• Express Water Essential Pro WH300SCGS-S vs iSpring WGB32B
• GE GXWH40L vs iSpring WGB21B-PB
• 3M Aqua-Pure AP903 vs Home Master HMF2SmgCC
• Home Master HMF2SmgCC vs iSpring WGB22B
• iSpring WGB32B-PFKS vs Waterdrop WHF3T-PG
• 3M Aqua-Pure AP904 vs Home Master HMF2SmgCC
• 3M Aqua-Pure AP903 vs iSpring WGB32B-PFKS
• iSpring WGB21B vs Pentair Pentek FloPlus Protect 20BB
• 3M Aqua-Pure AP904 vs iSpring WGB32B-PFKS
• Pentair Pentek FloPlus Protect 20BB vs Waterdrop WHF3T-PG
• iSpring WGB32B-KSNC vs iSpring WGB32B-PFKS
• GE GXWH60T vs iSpring WGB21B-PB
• Express Water Essential Pro WH300SCGS-S vs Express Water Ultimate Protection WH300SCKP
• GE GXWH70M Smart vs Pentair Pentek FloPlus Protect 20BB
• Home Master HMF2SdgC vs Home Master HMF2SmgCC
• Home Master HMF2SmgCC vs iSpring WGB21B-PB
• GE GXWH40L vs Pentair Pentek FloPlus Protect 20BB
• Express Water Ultimate Protection WH300SCKP vs Express Water Heavy Metal WH300SCKS
• Express Water Heavy Metal WH300SCKS vs Express Water Anti-Scale WH300SCPS
• iSpring WGB21B-PB vs Pentair Pentek FloPlus Protect 20BB
• GE GXWH60T vs Pentair Pentek FloPlus Protect 20BB

Best Whole-House Tank Water Filters

• A. O. Smith AO-WH-FILTER vs Aquasana Rhino WH-1000
• A. O. Smith AO-WH-FILTER vs Aquasana Rhino Max Flow with UV
• Aquasana Rhino WH-1000 vs iSpring WF150K
• A. O. Smith AO-WH-FILTER vs LiquaGen FK-CAT 10x54
• Aquasana Rhino Max Flow with UV vs Aquasana Rhino WH-1000
• Aquasana Rhino Max Flow with UV vs iSpring WF150K
• Aquasana Rhino WH-1000 vs LiquaGen FK-CAT 10x54
• iSpring WF150K vs LiquaGen FK-CAT 10x54
• Aquasana Rhino WH-1000 vs iSpring WF1054
• Aquasana Rhino Max Flow with UV vs LiquaGen FK-CAT 10x54
• Aquasana Rhino Max Flow with UV vs iSpring WF1054
• iSpring WF1054 vs LiquaGen FK-CAT 10x54

Across builds

• Aquasana Rhino WH-1000 vs Waterdrop WHF3T-PG
• 3M Aqua-Pure AP903 vs Aquasana Rhino WH-1000
• Aquasana Rhino Max Flow with UV vs Waterdrop WHF3T-PG
• 3M Aqua-Pure AP903 vs Aquasana Rhino Max Flow with UV