3M Aqua-Pure Whole-House Filters Ranked

Last updated: November 2, 2026

2 3M Aqua-Pure whole-house filters ranked. Each one is scored and ranked against every brand in its build, so "#3 mid-size" means third of all mid-size whole-house filters here, not third among 3M Aqua-Pure's own.

3M Aqua-Pure makes 2 current whole-house filters: 2 cartridge. Prices run from $421.18 for the 3M Aqua-Pure AP904 to $422.99 for the 3M Aqua-Pure AP903. Its best-rated model: the 3M Aqua-Pure AP903 (#4 of 13 cartridge, rated 3.1).

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

3M Aqua-Pure whole-house filters 2

  1. 3M Aqua-Pure AP903
    #4 cartridge3.1Full review

    A certified, low mess choice for city water with chlorine, for owners who would rather pay more per cartridge than handle filters.

    Amazon $422.99
    $422.99
    $2.45 per 1,000 gal10 gpm100,000 gal
  2. 3M Aqua-Pure AP904
    #6 cartridge3.1Full review

    The AP903 with scale inhibitor added, for city water that is both chlorinated and hard.

    Amazon $421.18
    $421.18
    $3.47 per 1,000 gal10 gpm100,000 gal

Every whole-house water filter ranked