{"product_id":"hailea-et40-air-pump","title":"Charles Austen Enviro ET40 Air Pump – 40 L\/min","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCharles Austen Enviro ET40\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a powerful, oil-free linear diaphragm air pump designed to provide a dependable supply of air for pond aeration, aquaculture, hydroponic growing systems and other low-pressure applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDelivering a rated airflow of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e40 litres per minute at 0.12 bar\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the ET40 is well suited to installations requiring more air capacity than a smaller pond or aquarium air pump can provide. It can supply multiple air stones or diffusers through a suitable distribution manifold, making it a practical choice for larger water systems and multi-outlet setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsing Charles Austen's energy-efficient Green Drive technology, the ET40 combines high airflow with a relatively low power consumption of just 30W. Its compact, weather-resistant construction makes it suitable for a range of indoor and outdoor installations when correctly positioned and protected.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e40 L\/min airflow:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Rated air delivery of 40 litres per minute at 0.12 bar.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEnergy efficient:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 30W power consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOil-free air supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Linear diaphragm pump technology provides clean air without oil lubrication.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeather-resistant construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Robust, compact housing for suitable indoor and outdoor installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eContinuous or intermittent operation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for applications requiring regular or continuous aeration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMultiple diffuser applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Can supply several air stones or diffusers when connected to an appropriately sized manifold.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eServiceable design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacement service kits are available to support routine maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRubber elbow supplied:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Manufacturer information identifies a rubber elbow as part of the ET-series fitting arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSuitable applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Enviro ET40 can be used in a variety of aeration applications, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePonds and koi ponds\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides an air supply for pond diffusers, helping to circulate and aerate pond water. The actual aeration performance will depend on pond depth, diffuser selection and system back pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHydroponics and deep water culture (DWC)\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSuitable for supplying air stones and air domes in hydroponic systems. Its 40 L\/min output makes it useful where several growing containers or aeration points need to be supplied from one pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAquaculture and fish systems\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCan provide air to multiple aeration points in suitable fish-rearing and aquaculture installations. Select the diffuser arrangement and airflow distribution to suit the system's oxygen requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWastewater aeration\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe ET series is also used in wastewater applications where a reliable, low-pressure air supply is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eET40\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePump type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLinear diaphragm air pump\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated airflow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 L\/min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated pressure point\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.12 bar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutlet connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14mm – confirm against supplied unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e218 × 156 × 182mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAir supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOil-free\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompact, weather-resistant housing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntermittent or continuous applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation and maintenance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInstall the pump on a stable, suitable surface in accordance with the manufacturer's instructions. Use compatible airline, fittings and diffusers, and ensure that the total system resistance does not exceed the pump's operating capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor multiple outlets, a suitable air distribution manifold can help divide the airflow between individual diffusers. The airflow available at each outlet will depend on the number of outlets, airline dimensions, diffuser resistance and operating pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCharles Austen recommends servicing Enviro pumps at least every \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e18 months\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Replacement service kits are available and routine maintenance helps keep the pump operating correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy choose the Charles Austen Enviro ET40?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ET40 is a practical choice when a smaller air pump does not provide enough airflow for a larger pond, hydroponic system or multi-diffuser installation. Its 40 L\/min rated output, 30W power consumption and serviceable construction make it a useful option for users who need dependable, higher-volume aeration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChoose the Charles Austen Enviro ET40 for a compact, oil-free air pump delivering 40 litres per minute for pond, aquaculture and hydroponic applications.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"enviro","offers":[{"title":"Default Title","offer_id":31574170959926,"sku":"CA-ET40","price":97.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0247\/9531\/6278\/files\/charles-austen-enviro-et40-ca-et40-4891116.png?v=1757079866","url":"https:\/\/groaqua.store\/en-eu\/products\/hailea-et40-air-pump","provider":"GroAqua","version":"1.0","type":"link"}