【High-quality MATERIALS】The frost free outdoor faucet is made of high quality lead free brass with chrome plated finish to ensure durability and corrosion resistance. The use of lead-free brass has better environmental performance, making the frost-free spigot safe to use for drinking water and plumbing heating water supply. 【Function】This frost free sillcock effectively prevent freezing and bursting, to prevent any water from being siphoned back into your water supply, keeping your pipe safe from freezing in cold weather. It also has a stem that is 12 inches long, providing enough amount of room to keep the pipe protected. 【Push-to-Fit Connector】The 1/2"" push-to-fit connector of anti siphon valve outdoor faucet simplifies installation by allowing quick and secure attachment without the need for additional tools or soldering. This innovative design ensures a leak-free connection, saving time and effort during installation. Additionally, remove the 1/2"" push-to-fit connector, it turns to 1/2 NPT male connector which can be connected to 1/2 thread pipe. 【Easy Installation】The 1/2” push-in connector for anti-siphon valve outdoor faucets simplifies the installation process by simply pressing down to create a strong, watertight seal that can be installed quickly and securely without the need for additional tools or soldering or gluing. This ergonomic innovation ensures a leak-free connection, making any outdoor plumbing project convenient and efficient. 【Wide Application】The frost proof outdoor faucet bib has a 1/2-inch inlet for connecting to various types of pipes such as 1/2-inch PEX, 1/2-inch CPVC, 1/2-inch PE-RT, and copper.3/4“‘ GHT hose faucet is compatible with 3/4” connecting hose d outlets, can be connected to most of the garden hoses.3/4"’ GHT hose faucet has a 1/2-inch inlet for connecting to most of the garden hoses