The 3M Model A Replacement Filter Cartridge for the USF-A provides cleaner and better tasting water.
•Reduces up to 95% of Chlorine
•Reduces Sediment, Dirt, Rust, Sand, and Silt
•Patented Carbon Block for Improved Absorption
•0.5 GPM Flow Rate
•500 Gallon Filter Capacity
•9.75" x 2.25" Dimensions
The Model A cartridge should be changed every 3-6 months or 500 gallons depending on water quality and usage.
*Part number 5614505