Description Oase Pontec PondoAir Set 450 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: 185 x 115 x 115mm