A garden hydrant with an external 3/4"+ connector to an external 3/4", DSA-4834GZ/34GZ Hydraulic hydrant is an element of the irrigation system that allows it to be connected to a water source by means of a special key. It connects to an underground pipeline system and, due to its green cover, is invisible against a grass background. It is widely used for irrigation systems in landscape design and on landfills. It is equipped with a reverse valve system, which allows the key to be unlocked without water blocking. It's made of durable plastic. Type of connection: valve: RZ 3/4" Key: RZ 3/4"