... 15days sample-made time:5day Part name:colored silicone o ringwith high quality approved NSF61,WRAS, ... ,TOTO,ROCA,CKD,KOHLER,BLACK&DECKER. colored silicone o ring with high quality approved NSF61,WRAS ... Underwriters Laboratories MH45756 Rubber seals & NB, EPDM, silicone 2011/07/26 --- 2012/07/26 FDA FDA ... AMS Laboratories 1201382 Rubber seals & NB, EPDM, silicone 2012/02/07 --- 2017/02/07 Testing Report: ...