The Aqua Medic reactor 1000 is a effektive CO2 reactor for large aquaria. The reactor 1000 is a hermetically sealed unit for introducing CO2 into larger aquariums. The universal mounting plate enables it to be mounted outside the aquarium or inside the cabinet. The installation inside the aquarium is alos possible. This powerful unit can supply aquaria up to 2,000 litres (c. 500 gallons) with CO2. With 12/16 mm hose tails. - required pump power: 1,000 - 2,000 l/h. (c. 250 - 500 gal.)- total height: app. 37 cm (c. 15), diameter app. 8 cm (c. 3)