<p>High-Quality Material: This RV Winterize Blow-Out Adapter is made of metal, durable and can withstand high temperatures. Brass is also corrosion-resistant. With a sturdy construction, it is not easy to break or become incompatible, and will serve you longer. Main Purpose: This tool is perfectly designed to winterize garden hoses, sprinkler systems, faucets (vehicles with water supply systems such as RV, campers, boats, travel trailers, etc.) by blowing out water from the hoses/pipes to prevent garden hoses, sprinkler systems, and faucets from freezing. This accessory can be applied to any water system. Standard Size: 1/4 inch male air compressor quick connect plug connects to female 3/4 inch garden hose internal thread and 1/4 inch male quick connect plug and 3/4 inch male GHT thread, which is a standard size and can be applied to most situations. Easy to use: Step 1: Screw the water pipe to the female thread side, connect the quick plug to the quick connector inside the air compressor pipeline, Step 2: Turn on the air compressor and rotate around the ball bar to open or close, Step 2 Adjust the air flow to blow out the water in the water pipe Color: Yellow Material: Metal Package Contents: 2 x Faucet Connectors 1 x Ring Gasket Only the above package contents, other products are not included. Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowable error is +/- 1-3 cm.