Profile: Hangzhou Cobetter Filtration Equipment Co., Ltd. is a manufacturer of membrane filtration products. We are an ISO 9001:2000 certified company. We manufacture pleated filters, capsule filters, depth filters, housings, melt filter cartridges, membranes and other parts. Our PFSA filter cartridges construction, combines depth filter technology with pleated filter technology that ensures high contaminant holding capacity & large filtration area. PFSA construction adopts depth filter technology of graded pore-size. Graded pore-size distribution from coarse (upstream) to fine (downstream) can remove particles gradually, and extend the filter's service life. Our stainless steel bag filter housing features the integrity of a bolted closure. The integral basket support provides a smooth interior for easy cleaning and bag installation. It can be used with solid ring and plastic ring bags, by using the optional bag sealing insert, and adding an O-ring under the basket rim. Our housings are suitable for pre-filtration and clarification applications within the pharmaceutical, fine chemical, beverage, drinking water & other process industries. All wetted metal surfaces are constructed of 316L or 304 stainless steel, and are mechanical polished or electropolished, providing excellent durability & maximum corrosion resistance. A full range of accessories and fittings are also available. The housing are available with two cartridge locations, DOE and double O-ring.