Description
3M Model B1 Replacement Cartridge for US-B1
The 3M Model B1 Replacement filter cartridge for the US-B1 RV/Marine drinking water system.
Features:
- Reduces chlorine taste & odor, sediment, cyst, and bacteria
- Sanitary Quick Change Design
- The 3M US-B1 System is NSF Certified to Standard 42 & 53
- 2000 gallon filter capacity