Aqua Pure Filters

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Aqua-Pure™ AP801B Large Diameter Water Filtration System

5639201 by 3M™ Aqua-Pure
List Price: $189.24
Our Price: $106.18
Savings: $83.06 (44%)


Looking for Aqua-Pure AP801 or AP801B replacement filters?
The following Aqua-Pure filters are specifically designed for the AP801B, including the AP810, AP811, and the AP817.
Note:The AP801B sump does not fit onto the discontinued AP801 housing head or use the same gasket or mounting bracket as the AP801.

Introducing the Aqua-Pure AP801B filter housing, 3M™'s improved replacement for the discontinued Aqua-Pure AP801 whole house filter housing. The product ships with the filter housing, o-ring gasket, housing removal wrench, and mounting bracket. This whole house water filtration system helps to provide clearer, cleaner, better tasting drinking water.

The Aqua-Pure AP801B is a large capacity, whole house filtration system designed to filter water throughout your entire home. This filter housing reduces sediment, dirt and rust when using a sediment filter cartridge (AP810, AP811), or reduces chlorine taste and odor when using a carbon filter cartridge (AP817) .

The AP801B is also available in a transparent housing version, the AP801T.

Inlet/Outlet: 1" NPT.
Flow Rate: 20 gpm (75.7 lpm).
Max Temp: 100 deg F.

Note: Flow Rates are based on the use of the Dirt/Rust Filter Cartridge.

Previous Manufacturer Part Number

Cuno part number: 5585701, 55857-01; Grainger part number: 3BU22; 3M part number AP801

Complementary Products

Unbreakable housing removal wrench: Metal Wrench #2
Replacement Gasket: #70-0203-5277-2
Mounting Bracket: AP-MB801B Mounting Bracket

Looking For An Alternative Option?

We recommend the APWC801 Filter Housing , which shares the exact performance/specifications as the AP801.


  • UPC: 638060355312
  • EAN: 0638060355312
  • Weight: 8 pounds