Tetra APS 100 Aquarium Air Pump\nThe advanced Tetra APS 100 Air Pump is ideal for use with aquariums from 50 to 100 litres in size. The Tetra APS 100 comes supplied with an external flow control valve to allow easy air flow adjustment. The APS range are perfect for a range of purposes such as air driven filters, airstones, air action ornaments and under gravel filters. Thanks to innovative technology the Tetra APS Air pumps are extremely quiet running. They feature a special stable housing, vibration absorbing rubber feet and noise suppression chambers, designed to absorb sound waves. The full range of Tetra APS Air Pumps come backed by a 3 year warranty for peace of mind.\n\nTetra APS 100 Aquarium Air Pump\n\nThe advanced Tetra APS 100 Air Pump is ideal for use with aquariums from 50 to 100 litres in size. The Tetra APS 100 comes supplied with an external flow control valve to allow easy air flow adjustment. The APS range are perfect for a range of purposes such as air driven filtery