... ,White 3.competitive price 4.OEM is welcome Rubber o ring1.Materials advice: rubber (EPDM, also NBR, SBR, CR, NR, etc),as ... optimized material performance in your particular application.2.Application:automotive, machinery, bathroom facilities,medical, household electrical appliances etc.3.Certifications:All ... PP bag inside, strength carton outside, or as your request. Rubber o ring KSH0706