Bubbilo 4 Outlet Air Pump DT800 Adjustable air flow control, 550 Liters per Hour or 9.2 Liters Per Minute using 4 airline connections and efficient with just 8 Watts of power usage. Bubbilo further developed their popular air pumps for aquariums and garden ponds: The three long lived models of the air plus range are smaller and more powerful than their predecessors. Furthermore, they help saving energy, as the revised versions consume up to 33 % less energy. Pleasant, flat design Improved, powerful membrane material allows for higher air pressure Extremely quiet Energy saving Electronically adjustable Vibration absorbing rubber feet Four powerful independent membranes allow for higher air pressure Easy membrane replacement For air operated decoration elements, aquarium and pond devices For oxygen enrichment via an airstone