Description Oase Pontec PondoAir Set 900 Three Models: 200, 450 & 900 lph to a maxdepth of 1.5m Positioned indoors, then run the air line to pond 2 x 10 m hose & 2 replacementdiaphragms 2 x Air stones with antisyphon valve Dimensions: 140 x 175 x 130mm