silicone bathroom filter screen gasket Hardness:Shore40,50,60,70,80,90 Approved:NSF, ... UL, silicone bathroom filter screen gasket DescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color: black,white,red,green,yellow,blue,brown,orangeAdvantageAging ... cmNot-standard packing: follow customers' requirement silicone bathroom filter screen gasket with high quality approved NSF61,WRAS,UL,FDA,ACS,UL ...