270x A/C O-Ring Rubber Seal Kit Air Conditioning HNBR O Rings Assortment Set

Rubber 270 Pcs 18 Sizes Kit Air Conditioning HNBR O Rings Car Auto Vehicle Repair Tools Air Conditioning Refrigerant Ring. 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.

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