The SpiroPure SP-R5-BB pleated polyester water filter cartridge reduces sediment for wide range of filtration uses, including a variety of residential, commercial, and industrial applications. SP-R5-BB is a high quality replacement sediment filter that fits any standard filter housings that use 10" x 4.5" filter cartridges. A recommended compatible replacement for other filter cartridges such as SPC-45-1005.