... :NSF,FDA,WRAS,KTW,W270,UL, silicone bathroom filter screen gasket DescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color ... good heat,weather,ozone resistance,excellent electrical properties,good chemical resistance,good elongation.SizeAS568, P.G Series, ISO ... cmNot-standard packing: follow customers' requirement silicone bathroom filter screen gasket with high quality approved NSF61,WRAS,UL, ...