High performance diaphragm air pump. Rated for outdoor use. 70 litre per minute. Output at 1metre 52 litre per minute. Max operating depth 3.2 metre. The Evolution Aqua Airtec air pumps are a range of high quality diaphragm air pumps designed for for fishkeepers. The powerful Airtech pumps have been tested to provide the highest output at any given depth, all from a economical and reliable motor. Fully rated for outdoor use. Includes airstones and airline. 52 litre per minute at 1 metre depth. Maximum Output – LPM. Output at 1m Depth – LPM. Output at 1m Depth (USA). Power Usage – watts. The item “Evolution Aqua Airtech Pump 70 Complete Kit Koi Pond Air pump 70 LPM” is in sale since Thursday, July 4, 2013. This item is in the category “Pet Supplies\Fish & Aquarium\Air Pumps”. The seller is “aquatica-uk” and is located in Wales. This item can be shipped to United Kingdom.