Aqua Pure Filters

Filter Finder

Model B1 RV/Marine Replacement Filter

56104288 by 3M™ Aqua-Pure
List Price: $203.07
Our Price: $93.60
Savings: $109.47 (54%)


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


  • UPC: 016145607608
  • EAN: 00016145607608
  • Weight: 1 pound
  • Dimensions: 14 × 3 × 3 inches