270pcs O-Ring Seal 18 Sizes Car Kit Air Conditioning A/C Repair HNBR Green
Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile (HSN) is special class. Total 18 kinds most popular used O-ring sizes. Size types: 18 sizes (as picture show). Color: Green.