... 3A 1000pcs a week,Sanitary stainless steel pipe filter Sanitary stainless steel pipe filter1)Material:SS304,304L,316,316L2) ... features:high shuoff rate,high flow,low pressure difference,good stability,compatibility,can get rid of the bacteria and ... and guaranteed quality Wenzhou Yuanyu Mechanical Co., Ltd. is a professional manufacturer of high-precision hygiene grade valves, pipe fittings and liquid ...