Gardena T-Coupling 'Profi' Extension and Conversion from 19mm (3/4") to 13mm (1/2") 2835-20 Ref: GRD2835-20 Provides for hose extension and conversion from GARDENA "Profi" Maxi-Flow System to the well-proven Original GARDENA Hose Connector System. List price £5.59 Grovelands Online price including Nextday Delivery £5.03 Price: £5.03 (Including VAT at 17.5%)