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Replacement for Model 3M Systems US-A1

3M Model A2 Replacement Cartridge

Model A2

3M Model A2 Replacement Cartridge
as low as $98.99 /ea
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Retail: $129.99
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Product Information

The 3M Model A2 Replacement Cartridge is designed for use in the 3M Recreational Vehicle/Marine Filtration Systems WV-B2, US-A1, and US-B1. NSF Tested and Certified. Part number 5613323

A2 Specifications:

  • Reduces >95% of Chlorine
  • Reduces Sediment, Dirt, Rust, Sand, and Silt down to 1 micron
  • Built-In Bacteria Inhibitor
  • Patented Carbon Block for Improved Absorption
  • 2.5 GPM Flow Rate
  • 7500 Gallon Filter Capacity
  • 4 7/16" x 11 3/4" Dimensions

The Model A-2 should be changed every 1 year or 7500 Gallons depending on water quality and usage.


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Model A2 is used in the following Models
 3M Systems US-A1
 3M Systems US-B1
 3M Systems WV-B2
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