SERA GERMANY - sera 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. Two outlets for two air hoses Pleasant, flat design Improved, powerful membrane material allows for higher air pressure Extremely quiet Energy saving Long lived Free: Two non-return valves, one Y piece Electronically adjustable Two air outlets Vibration absorbing rubber feet Two powerful independent membranes allow for higher air pressure Easy membrane replacement For air operated decoration elements and aquarium devices (e.g. sera internal filter) For oxygen enrichment via an airstone (e.g. sera air Set) Technical data - all models: sera air 110 plus sera air 275 R plus sera air 550 R plus Item No. 08812 08814 08816 l/h (equals approx. l/min): min. 110 (approx. 1.8 l/min) min. 275 (approx. 4.5 l/min) min. 550 (9.2 l/min) Power uptake: 3 W 4 W 8 W Obtained pressure: =0,010 mPa (=100 mbar) =0,014 mPa (=140 mbar) =0,014 mPa (=140 mbar) Outlets: 1 2 4 Recommended accessories (Item No.) sera air set "S" (08813) sera air set "M" (08815) sera air set pond "L" (08817) Replacement membrane(s): (Item No.) 06730 06732 06732 (2 pieces) Replacement air filter: (Item No.) 08819 08819 08819 and lot more SERA products.