Aqua Pure Filters

The 3M™ Aqua-Pure™ C-Cyst-FF filter is the recommended replacement filter for the discontinued Model B1 RV/Marine replacement filter. The C-Cyst-FF produces the clean, clear, and delicious water you want while traveling.

The C-Cyst-FF is for use with 3M RV/Marine Filtration Systems: US-A1 and US-B1.

Note: The C-Cyst-FF is 2" longer than the the original Model A1 filters and may not be suitable for all installations. If you need the shorter style order the C-CS-FF filter.

Filter Features

• Reduces Chlorine Taste & Odor
• Reduces Cyst
• Reduces Sediment, Dirt, Rust, Sand, & Silt
• SQC connection
• 5-micron rating
• 2000 gallon filter capacity
• Replace every 6-8 months/2000 gal
• 3" width x 14" height