... etc. filter:hepa filter certificated:ISO9000:2001 stainless steel Gas-liquid filter Material: stainless steel(AISI 201,202,301,302,304 ... evaporation and filtration to clear up the fog drip and liquid form in petroleum, chemical, fertilizer, medicine, dye, metallurgy, machinery, ... steam fluid strainer\Q/YSZZ-88-91 steam fluid strainer silk screen form Q/YSZZ-88-91 steam fluid strainer standard ...