Amazon.com: POHIR Pressure Washer Garden Water Hose Adapter 14 Pack Full Set, 3/8 Power Washer Quick Disconnect Kit with M22 Swivel to 3/8'' Quick Connect Fittings, 3/4" to Quick Release and M22
SurfaceMaxx M22 Hose To Hose Connector in the Pressure Washer Parts department at Lowes.com
Powercare Male M22 x Male M22 14 mm 4500-PSI Pressure Washer Hose to Hose Coupler AP31087 - The Home Depot
Amazon.com: Tool Daily Pressure Washer Adapter Set, M22 to 3/8 Inch Quick Connect, 3/4 Inch to Quick Disconnect, Male M22 Hose Adapter, 9-Pack : Patio, Lawn & Garden
Powercare 3/8 in. Female Quick-Connect x M22 Connector for Pressure Washer AP31030B - The Home Depot
Sun Joe 14 mm M22 Male - 15mm M22 Female High Pressure Hose Adapter, Fits SPX Series Pressure Washers for Other Accessory Brands SPX-M22M2F - The Home Depot
SurfaceMaxx M22 Hose To Hose Connector in the Pressure Washer Parts department at Lowes.com