QFP Series Band-Clamp Filter Housings are designed for commercial and industrial liquid filtration applications. These multi-cartridge filter housings are available in 4, 5, 7, 12, or 22 round configurations for flow rates up to 660GPM. Housings are available in your choice of 304 or 316 poly-coated stainless steel. Universal seal cups and compression plates allow for use of DOE, 222/Flat, or 222/Fin style cartridges.