Sprinkler system winterization kit, brass fittings designed to fit on either a 1/2" riser or on a standard 3/4" outdoor hose faucet, used for blowing out an irrigation system, simply remove a sprinkler head from the line & attach an air compressor via the adapter fitting, fits most brands of air compressors, for outdoor irrigation systems only.

• All brass construction for high pressure durability.
• Includes both hose faucet and pipe threaded options.
• For outdoor cold water use only.
• Helps maintain the life of your inground irrigation system.
• Do not connect to the hose faucet attached to your house.