Industrial Water / Fluid Bag Filter out designed to suit housings that require #1 size bags (7 inch x 16 1/2 inch). These polypropylene filters have compatibility with so much manufacturers such as Pentek, Harmsco, Shelco and 3M Purification. The Shelco MicroSentry ® Filter out bags are produced with a glaze finish, polypropylene make stronger ring and heavy duty fiber handles for simple removal. The multi-filament polypropylene felt media provides prime solids retention at a low cost. Maximum temperature rating 140 degrees F. To be had in many micron rating and sold in case quantities. When you application requires a unique media for chemical compatability please contact us at 877-553-3698.