Key Features Reliable and Robust Pumps Provides necessary Aeration Easy to install Provided with airline and airstones For ponds up to 10m³. 2 Year Guarantee A ponds eco system relies on a fresh supply of oxygen to keep the fish and plants healthy and happy. The Oase AquaOxy is a reliable Air Pump that helps to provide essential oxygen in the water. Also known as aerators, the air pumps use a gentle vibration system working with internal diaphragms to create the vital air flow that travels down the airline and is disbursed through 2 robust air stones. The crucial oxygen is then filtered into the pond water and helps to maintain an all over healthy pond system.