Universal tap connector compatible with both 21mm (1/2") and 26.5mm (3/4") threaded taps. The GARDENA system design features tool-free connection for quick, hassle-free setup without requiring wrenches or adapters. Securely attaches your garden hose to virtually any standard tap, eliminating leaks and connection issues. Durable construction backed by a 5-year warranty. Article No. 18229-37.