Purewell Gravity Filters Ranked

Last updated: November 9, 2026

5 Purewell gravity filters ranked. Each one is scored and ranked against every brand in its capacity, so "#3 mid-size" means third of all mid-size gravity filters here, not third among Purewell's own.

Purewell makes 5 current gravity filters: 5 up to 2.25 gal. Prices run from $145.99 for the Purewell 3-Stage PW-OB to $229 for the Purewell 2.25G 8-Stage Fluoride. Its best-rated model: the Purewell 3-Stage PW-OB (#1 of 17 up to 2.25 gal, rated 3.5).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Purewell gravity filters 5

  1. Purewell 3-Stage PW-OB
    #1 up to 2.25 gal3.5Full review

    A low-priced, certified-filter 2.25 gal system for chlorine, taste and sediment. Fluoride needs a different model.

    Amazon $145.99
    $145.99
    2.2 galNSF/ANSI 42, NSF/ANSI 3723,000 gal each
  2. Purewell SF-2.25G PFAS-Free 6-Stage
    #7 up to 2.25 gal3.2Full review

    The Purewell to pick when PFAS and lead are the concern. It uses a different filter than the other Purewells.

    Amazon $168.99
    $168.99
    2.2 galNSF/ANSI 423,000 gal each
  3. Purewell 2.25G 3-Stage Window
    #9 up to 2.25 gal3.1Full review

    The 3-stage Purewell with a water-level window. It costs a little more than the certified PW-OB.

    Amazon $158.99
    $158.99
    2.2 galNone stated3,000 gal each
  4. Purewell 2.25G 8-Stage Fluoride
    #11 up to 2.25 gal2.9Full review

    For homes with fluoridated water they would rather not drink. Plan on replacing the fluoride filters much sooner than the carbon ones.

    Amazon $229
    $229
    2.2 galNone stated3,000 gal each
  5. Purewell 9-Stage Fluoride BO-FL
    #12 up to 2.25 gal2.7Full review

    A fluoride-focused Purewell with one filter type to stock. Running costs are higher than for the carbon-only models.

    Amazon $209
    $209
    2.2 galNone stated1,000 gal each

Every gravity water filter ranked