SurfaceMaxx M22 Female x 3/8-in Coupler in the Pressure Washer Parts department at Lowes.com
Amazon.com: M MINGLE Pressure Washer Hose Adapter Set, M22 to 3/8 Quick Connect for Power Washer Hose, 5000 PSI : Patio, Lawn & Garden
Amazon.com: POHIR Pressure Washer Adapter Set 8 Pack, 2 Different M22-14 Swivel to 3/8'' Male and Female Quick Connect, 3/4" Brass Garden Hose Quick Release Connector and M22 15&14mm to 14mm NPT
AR Blue Clean PW4222930-R, 3/8" Hose Quick Connect Kit 15mm
Powercare Female M22 x 3/8 in. Male Quick-Connect Connector for Pressure Washer AP31040B - The Home Depot
Quick Connect M22 to 1/4" Gun to Wand Pressure Washer Hose Connector Adapter Set | eBay
Husqvarna PW Hose Connector Kit | Husqvarna US
VEVOR Short Pressure Washer Gun, 4000 PSI High Power Washer Spay Gun, M22-14 mm / M22-