Water Filter Housings for Culligan RFC-BBSA Water Filters: 155141 Culligan RFC-BB fits on filter housings for 10 inch Big Blue water filters. Fits on Culligan/usfilter/AMETEK 10" Big Blue Whole House Water Filter System Fits on Culligan hd-950 Big Blue Whole House Water Filter Systemculligan rfc-bb filter is compatible with: Whirlpool 149016 filters Whirlpool whcf-whpcbb filters Whirlpool whcfwhpcbb filters Whirlpool whef-whpcbb filters Whirlpool whefwhpcbb filters rfc-bb product manual (Adobe Reader download) - -> ..Culligan carbon water filter cartridge rfc-bb radial flow specifications: 9 - dimensions 3/4" x 4 - 1/2" (248 x 114 mm. Microns (nominal): 25 Temperature Range: 40?F to 125?F (4.4? C to 51.7?C) ˆ Initial P (psi) @ Flow Rate (GPM): 0.90 PSI 2 GPM (0.06 Bar @ 7.6 Flow Rate l/min) @ Chlorine, Taste & Odor Reduction (GPM): > 35,000 Liters @ 2 GPM (> 132,500 Liters @ 7.6 L/min) Total Water Column: 10,000 Liters Filter for Reduction of Sediment, Sand, Sludge, Rust, Chlorine Taste and Odor Culligan RFC-BB and Scale Filter, Materials of Construction: Filter Media: Granular Activated Carbon Lids: Polypropylene Inner Outer: Polyethylene Gasket: Buna-n Wraps/Core: Polypropylene (7-pack)