We sell these by the six-pack! This is a great replacement cartridge for many sediment removal applications. Standard size: 9.75" long by 2.5" wide. Fits many housings including Pentek, Ametek, Sears, Omnipure, and more. SPUN-BONDED POLYPROPYLENE ï Manufactured from pure 100% polypropylene ï Designed for purity and chemical compatibility ï Spun fibers form a true gradient density from outer to inner surfaces Materials of Construction ï Filter Media: Polypropylene Fibers ï Temperature Rating: 40?F to 145?F (4.4?C to 62.8?C)