18 sizes Auto HNBR A/C System Air Conditioning O Ring Seals Tools Assortment Kit
Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile (HSN) is special class of nitrile rubber (NBR) and is for mission critical applications. ★Motorcycle Parts. Total 18 most popular used O-ring Sizes.