WHALE 1 x Inline Booster Pump High Flow 12V. High Flow Inline Pump 16ltr/min 12v d.c. Simple, compact and an economical solution. Long life, very quiet with low power consumption. An inexpensiveway to enhance your water system. lightweight design. Straight forward installation - fits unsupported into pipework. Please note: For best performance install the pump in the suction pipe between the foot pump and the water tank, not between the foot pump and tap. Sold in singles or Outer Boxes x 40.