Low consumption, trouble-free high quality Linear Air Pumps are designed to provide a stable medium flow rate to get oxygen into a pond for your fish and for waste water aeration. The smart, unique mechanical design of the Reefe RB series of Linear Air Pumps means they offer extremely low energy-consumption rates - Environmentally friendly Linear Air Pumps. FREE SHIPPING throughout Austalia from Water Pumps Now Specialist Online Pump Shop. Water Pumps Now range of water garden and pond pumps includes 12V pond pumps, 24V pond pumps, solar pond pumps and water fountain pump kits for our pond and garden water features.