3M Aqua-Pure AP811-2 Whole House Water Filter Replacement Cartridge

Price: $58.99
Availability: In stock
Fits 3M Aqua-Pure whole house water filter systems
  • Ships fast!
  • Reduces sediment and rust
  • Provides up to one full year of clean drinking water!
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For up to 12 months after installation, the 3M Aqua-Pure AP811-2 whole house water filter replacement cartridge will reduce sediment and rust before it has a chance to ruin the taste of your drinking water! For use with 3M Aqua-Pure whole house water filtration systems that use 20-inch x 4-1/2 inch water filters. Order the 3M Aqua-Pure AP811-2 whole house water filter replacement cartridge online today.
Package Qty 1
Used In Brands Aqua-Pure
Manufacturer's Id AP811-2
UPC 016145171277
Advertised Size (in) 20 x 4-1/2
Actual Size (in) 20 inches (length) x 4 1/2 inches (outside diameter)
Actual Size (cm) 50.8 x 11.43
Media Spun Wound Grooved Polypropylene
Primary Filter Media Polypropylene
Filter Life (months) 6 months
Micron Rating (Nominal) 25
Operating Pressure (psi) 0 - 690
Operating Temperature (°F) 40 - 100
Operating Temperature (°C) 4.4 - 37.8
Flow Rate (gpm) 45
Flow Rate (lpm) 170.343

The AQUAPURE-AP811-2 is comparable with the following part numbers

AQUAPURE-AP811-2 5577909
55779-09 56122-07
Ametek / Pentek DGD 7525-20 155356-43 AP802
AP802-1.5 AP802-1.5C
AP811-2 AP-811-2

Installation Guide

User Guide


  1. The 3M Aqua-Pure AP811-2 water filter needs to be replaced every 6 months. The filter may need to be replaced sooner depending on your water quality and your water usage
  2. Turn off incoming water
  3. Bleed pressure from the unit by depressing the red button on top of unit
  4. Remove housing by sliding wrench up toward head then turn left to unscrew
  5. Wipe housing clean and insert new cartridge
  6. Lubricate o-ring and screw housing into head
  7. Turn water back on

Reset Instructions