Part name:colored silicone o ring material:silicone lifespan:5years production time:15days sample-made time:5day Part name:colored silicone o ... KTW,W270,FDA,ACS,UL Color:blue,black,green,yellow,red,orange,grey,whilteMaterial:siliconeUsage range:water system,bathroom fittings, ... JOMOO,TOTO,ROCA,CKD,KOHLER,BLACK&DECKER. colored silicone o ring with high quality approved NSF61,WRAS,KTW,W270,FDA,ACS,UL ...