Model: DP141) Suitable for all containers up to 15" (380mm) in depth2) 21" (534mm) delivery hose3) Weight: 50g4) Fits 1, 2-1/2 and 5 gallon containers5) Siphon flow rate: 2GPM Model: DP221) Suitable for all containers up to 37" (940mm) in depth2) 42" (1,065mm) delivery hose3) Threaded 2" BSP4) Delivers 20 litres per minute (approx.)5) Weight: 300g6) Fits 5, 30 and 55 gallon containers with 2" thread7) Siphon flow rate: 5GPM (delivers 20 liters per minute)Model: SP25 1) Suitable for all containers up to 37" (940mm) in depth2) 49" (1,245mm) delivery hose3) Threaded 2" BSP4) Delivers 30 litres per minute (approx.)5) Weight: 350g6) Fits 5, 30 and 55 gallon containers