Pressure Washer Coupler M22 15mm Male Thread to M22 14mm Female Fitting Hose … by | Jul 21, 2026M22 14mm female of coupler connects to M22 14mm male of pressure washer gun. M22 15mm male of coupler connects to M22 15mm female of pressure washer hose. Universal pressure washer coupler connects standard power washer gun to hose.
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