Cartridge Filter Housings (precision filter), whose housing is made of high quality 304 or 316 stainless steel, can install different types of filter element, such as: PP filter, line winding filter, activated carbon filter, etc., due to its large filtering area, speed, no congestion, easy to use, as a result, the terminal filtration of the pretreatment of the widely used in various industries and. Security filter has quick open, flange, embrace hoop type.