Pressure washer coupler convert metric M22 female NPT thread to 1/4 Female NPT.Comparable with M22 14mm fitting.Working Pressure up to 5,000 PSI and Max Temp is 300FUsed on universal gun, wand, hose and pump connectionIt connects sewer jetter hose to pressure washer pump (inlet water) are committed to developing more efficient and safer pressure washer accessory, helping people reducing the tiredness of spraying and cleaning in the garden. We are known for amazing pressure washer accessory, such as nozzle, wand, gun, coupler, foam cannon. We do everything in our power to ensure customers full satisfaction with the product quality and service.Feather1. Pressure washer coupler convert metric M22 female NPT thread to 1/4 Female NPT.2. Offer secure and quick fittings.3.Max Temp is 300F.4. Working Pressure up to 5000 PSI.