The Aqua Flo PPMB-25-10 cartridge fits in the following filter housings:
The Aqua-Flo 10"x 2.5" Melt Blown Filter - 25 Micron features melt blown spun polypropylene media that is very durable and efficient. Coupled with a 25 micron rating this polypropylene filter reduces sediment and other contaminants in your drinking water. This melt blown filter measures 2.5 inches in diameter and 10 inches in length, and can be used as a well water filter.
Aqua-Flo 10"x 2.5" Melt Blown Filter - 25 Micron specifications: