The 3M Model B3 Replacement Cartridge is designed for use in the 3M Recreational Vehicle / Marine Filtration Systems WV-A3, and WV-B3. NSF Tested and Certified. Part number 5613417.
- Reduces >95% of Chlorine
- Reduces Sediment, Dirt, Rust, Sand, and Silt
- Built-In Bacteria Inhibitor
- Patented Carbon Block for Improved Absorption
- 3.5 GPM Flow Rate
- 15,000 Gallon Filter Capacity
- 4 7/16" x 13 3/4" Dimensions
The 3M Model B3 is also NSF/ANSI Standard 53 Tested to reduce:
- Parasitic Cysts (Giardia, Cryptosporidium)
- Bacteria (E.Coli, Pseudomonas, Diminuta)
- Mold Spores
The Model B-3 should be changed every 1 year or 15000 Gallons depending on water quality and usage.