3M Model B1 Replacement Cartridge
The 3M Model B1 Replacement Cartridge is designed for use in the 3M Recreational Vehicle / Marine Filtration System US-B1 and US-A1.
- Reduces >95% of Chlorine
- Reduces Sediment, Dirt, Rust, Sand, and Silt down to 0.2 micron
- Reduces Bacteria up to 99.9999%
- Reduces Cysts (Giardia, Cryptosporidium) up to 99.999%
- Reduces Algae and Mold Spores up to 99.9999%
- Patented Carbon Block for Improved Absorption
- Patented Dual-Zone Nylon Membrane Bacteria Barrier
- 1.5 GPM Flow Rate
- 2000 Gallon Filter Capacity
- Built-In Bacteria Inhibitor
The B-1 should be changed every 6-8 months or 2000 Gallons depending on water quality and usage.
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