3M Aqua-Pure AP814-2 Whole House Water Filter Replacement Cartridge

Price: $50.99
Availability: Out of stock
Fits 3M Aqua-Pure whole house water filter systems
  • Made in the USA
  • Fast shipping!
  • Serves great tasting waster for up to 12 full months!
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12 month lifespan! For up to a full year after easy installation, the 3M Aqua-Pure AP814-2 whole house water filter replacement cartridge will ensure your water tastes crisp and clean throughout your entire home. Engineered in the USA to reduce sediment dirt and rust, and to fit into whole house water filtration systems that use 20-inch x 4-1/2 inch water filters. Order the 3M Aqua-Pure AP814-2 whole house water filter replacement cartridge online today.
Package Qty 1
Used In Brands Aqua-Pure
Manufacturer's Id AP814-2
UPC 16145814204
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 String Wound Polypropylene
Primary Filter Media Polypropylene
Filter Life (months) 12 months
Micron Rating (Nominal) 50
Operating Pressure (psi) 25 - 125
Operating Temperature (°F) 40 - 100
Operating Temperature (°C) 4.4 - 37.8
Flow Rate (gpm) 60
Flow Rate (lpm) 227.125

The AQUAPURE-AP814-2 is comparable with the following part numbers

5599403 55994-03
Ametek / Pentek WPX50BB20P AP802
AP802-1.5 AP802-1.5C
AP814-2 AP-814-2

Installation Guide


  1. The 3M Aqua-Pure AP814-2 water filter needs to be replaced every 3-4 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