HOSE O-RING, #7, HNBR, SUITS ORIFICE TUBE (PACK OF 20)

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Description

This is a pack of 20 #7 O-rings made from HNBR (Hydrogenated Nitrile Butadiene Rubber). These O-rings are specifically designed for sealing orifice tubes in air conditioning systems, providing superior resistance to petroleum-based oils, fuels, ethylene glycol, water, and steam compared to standard NBR Buna.