300 pack Pressure Washer 3/8″ Female NPT – Quick Connect Plug Zinc Coupler by | Jul 22, 2026300 pack of 1/4-inch female NPT to male Quick Connect zinc-plated couplers for pressure washer attachments. Coupler will handle 4,000 PSI, 10.5 GPM, and temperatures up to 212° F. .
Click here to post your review