Stainless Steel Filter Mesh For Check Valve 1)1/2"-4" 2)ISO9001:2000 Certificate 3)Fast delivery Stainless Steel Filter Mesh For Check Valve15 years experiences on valve industrial 1.Material• 304 Stainless steel 2. Size1/4" ,3/8" , 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 2-1/2" , 3" , 4" 3. PointThread: ISO228 Min and Max working temperature : -20 - 120°C