1. Standard US Plug: This portable vacuum suction head easily connects to the water inlet of any standard US vacuum cleaner, and the quick hose connector is suitable for mini pool vacuum for inflatable pool, small pool vacuums, mini vacuums, water hose pool vacuum 2. Proper Size: The end that connects to the water inlet has an upper diameter of 0.79 in/2 cm and a lower diameter of 0.69 in/ 1.75 cm, and the other end has a 3/4 threaded tip that connects to the garden hose; PLEASE CHECK THE SIZE BEFORE ORDERING 3. Well Made & Detailed: The pool vacuum hose connector is made of high-quality plastic, sturdy and durable, no leakage, not easy to break, sufficient quantity is enough to meet your daily use and swimming pool accessories replacement needs 4. Easy to Install: The pool vacuum hose adapter can attach to your standard garden hose in seconds with no tools, just connect the water inlet into the garden hose fitting and then screw the standard hose inlet to your garden hose