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American Plumber Filter Cartridges

American Plumber is a Pentek brand and all American Plumber products are made by Pentek. Click on the American Plumber model # below to find a matching product by Pentek.

5" x 2.5" Sediment Filters

10" x 2.5" Sediment Filters

20" x 2.5" Sediment Filters

10" x 4.5" Sediment Filters

20" x 4.5" Sediment Filters

5" x 2.5" Drinking Water Filters

10" x 2.5" Drinking Water Filters

10" x 4.5" Drinking Water Filters

20" x 4.5" Drinking Water Filters

Spanner Wrenches

O-Rings (FDA Grade)

  • 151231 O-Ring
    List Price: $7.94
    Our Price: $5.95
    Save: $1.99!
    View Details
    For WLCS-1000, WRO-3000 and WRO-3500 filtration systems
  • 151254 O-Ring
    List Price: $6.00
    Our Price: $4.95
    Save: $1.05!
    View Details
    For 1" and 1-1/2" heavy-duty clear housings (square-cut o-ring)
    For 10"x4.5" and 20"x4.5" clear housings

Filter Housings

Drinking Filter Replacement Cartridges