Simmons Domestic 4' Frost-Proof Yard Hydrant is a durable and reliable outdoor water supply system designed to prevent zing in cold weather conditions. It features a one-piece variable flow plunger with a large cushion-type seal, ensuring a positive shut-off even when foreign particles are present. The hydrant includes an automatic drain feature that opens to prevent zing, protecting it during harsh winters. For added security, it has a tamper-proof lock that can be secured with a padlock or bolt through a hole in the link. Constructed with a cast iron head and handle, it has a 3/4-inch NPT inlet and a 1-inch galvanized steel pipe casting. The overall length is determined by the buried depth plus 24 inches, and it is finished with a polyester powder coating. Proudly made in the USA, this yard hydrant quality and reliability for your outdoor water needs. Model Number: 804LF