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Product: Tetra Whisper AP150 aquarium Air Pump, For Deep Water Applications POWERFUL: Tetra brand’s most powerful line of air pumps add dramatic bubble effects to customize your aquarium.
DEEP-WATER CAPABILITIES: Designed for tanks with significant back pressure – pumps air down to 8 feet deep.
VERSATILE: One pump delivers air to all your powered accessories.
RELIABLE: Never buy another pump or worry about oxygen in the water. Tetra Black