Upgrade your pressure washer setup with the SurfaceMaxx M22 Female x 3/8-in Female Coupler. Designed for ultimate versatility, this coupler converts 3/8-in male NPT threads to M22/14mm female threads, ensuring compatibility across a wide range of pressure washer accessories. Its durable brass construction resists corrosion and ensures reliable performance under pressures up to 4500 PSI. Whether you're connecting spray guns, extension wands, or pumps, this coupler streamlines assembly, making your cleaning projects faster and easier.