SurfaceMaxx 10-PC 3/8-in Pressure Washer O-Ring Kit 4500 psi by | Jul 22, 2026Is your pressure washer hose, spray gun, or extension wand leaking at the connection point?. Do not replace the whole accessory–fix it fast with the SurfaceMaxx 10-Piece 3/8-in Pressure Washer O-Ring Kit.
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