Gardena Water Pumps - Suction Unit - Gardena 1411-20 Ref: GRD1411 3.5 m long. Vacuum-resistant spiral hose. Ready for connection. With suction filter and backflow preventer. Ø 25 mm (1"). For pumps with 33.3 mm (G 1) male thread. Price: £27.99 (Including VAT at 17.5%)