... .All sizes 3.Rubber seal,acid-resistance 4.OEM/ODM serve machine acid filling bushes 1.Appling for lead acid storage battery,UPS battery ... ,80,90Color: black colorAdvantageGood Ozone resistance, aging resistance, high/low temperature resistance, acid/alkali resistance, weather resistance, abrasion resistance, voltage resistance and insulating resistance etc.SizeHeight:18mm Outer diameter ...