GARDENA Waterpumps & Accessories Extractor hose connector 630275 - GARDENA 1723-20, The Gardena 1723-20 extractor hose connector is a durable suction hose fitting designed for 19 mm (3/4 inch) and 30.3 mm (1 inch) internal thread connections. It is ideal for securely attaching suction hoses to pumps or other water extraction equipment. This connector ensures a reliable and leak-proof connection for efficient water transfer in gardening or irrigation systems. GARDENA 1723-20 Extractor Hose Connector 20mm Dia 33.3mm IT Clamp Incl.