The unique modular bag filter housing system provides compact and efficient assembly of 2 to 8 single bag filter housings. The space saving design can be extended to add additional shell units and additional units at any time, which is highly flexible and meets the process requirements. The volume is smaller than the shell of double type multi bag filter. The device is equipped with filter bag of 02 stainless steel filter basket as standard. Product features: ① the system layout can ensure continuous flow rate. Each device is equipped with an independent valve and can be off-line in turn, so as to realize bag replacement without taking the whole filter unit off-line. ② the movable joint bolt cover helps to change the filter bag quickly and easily. ③ the convenient 1 / 4 ball valve helps to control the flow accurately. ④ smooth pearlescent finish is adopted, which is easy to clean the interior completely. Product accessories: ① stainless steel with high corrosion resistance can be provided. ② EPDM and PTFE Encapsulated Silica Gel seals and washers can be provided ③ 1 / 4 "threaded cover valve is used for metering meter, exhaust port and compressed air vent