20" Big Blue 5M Sediment Filter Pleated
AMI Filters -  Pleated Cellulose Poly Sediment Filter Cartridges<ul> <li>  Pleated Design Provides Enhanced Dirt-Holding Capacity for  Extended Life of Cartridge</li> <li> 5 Micron Filtration Rating</li> <li>  4.25" Diameter x    20" Length - to Fit Most 20" Big Blue Filter Housings</li></ul>