scale housing: ss304/316 scale housing Material: 304L/316L body, stainless steel head/brass head, non-toxicStandard: NPT/ BSP threadFilter Size: 5-40, inlet/outlet: 1/2, 3/4, 1Filter Cartridge: single cartridge of any kind according to using environment and condictionDesign: 4 series, custom design also acceptableApplication: suitable for industry and other relative water treatment.