... seal,acid-resistance 4.OEM/ODM serve machine acid filling bushes 1.Appling for lead acid storage battery,UPS ... storage battery,UPS battery,Motorcycle battery,E-bike battery acid filling machineHardness: Shore A40,50,60,70,80,90Color: black ... insulating resistance etc.SizeHeight:18mm Outer diameter:13.5mm Inner diameter:9.5mm/7mmand Customized specificationCertificationISO9001-2008,SGS MaterialAll ...