... o ringwith high quality approved NSF61,WRAS,KTW,W270,FDA,ACS,UL Color:blue,black,green,yellow,red,orange,grey, ... temperature,aging resistance,good electrical properties,color stabilitycertification:NSF61,KTW,ACS,W270,FDA,ULquality standard:ISO9001:2008,ISO/TS 16949: ... BLACK&DECKER. colored silicone o ring with high quality approved NSF61,WRAS,KTW,W270,FDA,ACS,UL Verified Information This information is ...