Specifications of the Blue Diamond ET Series Air Pumps. 30 to 250 l/min flow. Green drive technology energy efficient motors low power consumption. Specially formulated diaphragm material for extended life Flow rate up to 8 liter/hr. Due to no wearing parts no reduction in performance. Robust and compact construction weatherproof. Easy to service with competitively priced rebuild kits Link. Suited to intermittent and continuous duty applications. Whisper quiet operation as low as 35dB. Simple maintenance – replacement diaphragms readily available on this site. Grounded 18 gauge 5′ 3 long power cord. Main body made of cast aluminum alloy. The Blue Diamond ET Series Air Pumps can be used for Aquariums, Ponds and certain Septic applications. The ET80 is a 85 watt pump that produces 80 liters per minute or 2.83 CFM at. 15 bar Connection – plain horizontal 18.0 mm. Also supplied with thread-on barb 12.0 mm. The ET series is guaranteed for 18 months. The item “BLUE DIAMOND ET80A ALARMED SEPTIC AIR AERATOR PUMP COMPRESSOR TREATMENT ATU POND” is in sale since Tuesday, June 28, 2016. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Pumps”. The seller is “diypondaeration” and is located in Amarillo, Texas. This item can be shipped to United States.