100 PCS O-Rings Set for 1/4″ & 3/8″ Coupler by | Jul 24, 2026100 PCS O-Rings Set for Pressure Washers. Includes 50 PCS Orange O-Rings designed for 1/4” pressure washer quick connect fittings. Includes 50 PCS Grey O-Rings designed for 3/8” pressure washer quick connect fittings.
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