2Pcs Brass Winterize Blowout Adapters with Valve 1/4'' Male Quick Plug & 3/4'' Female Garden Hose Threading

Features:
Standard threaded connection, designed with 1/4 inch air compressor quick plug to 3/4 inch garden hose inner thread.
Easily connect the air line to the water pipe or hose system to help you solve winter problems.
Made of brass, strong structure, not easy to break or deformation.
Easy to use, screw the water lines to the female side of the threading, then connect the quick plug to a female quick coupler of an air compressor line.
Suitable for many systems, such as rV, camper, boat, travel trailer, etc., vehicles with plumbing system.