- Key benefit: converts a standard garden hose into a reliable water supply connection for mini pool vacuums and small vacuum suction heads so you can clean inflatable and small pools without replacing your existing equipment. - Compatibility: Standard US Plug design connects to the water inlet of any standard US vacuum cleaner. Quick hose connector is suitable for mini pool vacuum for inflatable pool, small pool vacuums, mini vacuums, and water hose pool vacuum systems. - Exact sizes (please check before ordering): inlet end upper diameter 0.79 in / 2.0 cm and lower diameter 0.69 in / 1.75 cm. Opposite end has a 3/4 in threaded tip to attach directly to a standard garden hose. - Material and build: made of sturdy plastic designed for daily pool use. Built to resist breakage and prevent leakage under normal operating conditions. Sufficient quantity is enough to meet your daily use and swimming pool accessories replacement needs. - Easy installation and use: no tools required. Insert the vacuum’s water inlet into the adapter, then screw the 3/4 in threaded tip onto your garden hose. Ready to use in seconds. Use scenarios: 1) Quick cleaning of an inflatable backyard pool — attach the adapter to your garden hose and mini pool vacuum to remove leaves and sand before each use. 2) Routine maintenance of small above-ground pools — replace a worn connector to restore a water-powered pool vacuum without buying a new vacuum. 3) On-the-spot cleanup for kiddie pools or plunge pools — fast hookup to a garden hose makes short work of daily debris removal. Important: verify the inlet and hose thread sizes listed above before ordering to ensure compatibility.