Stay prepared for power outages with the Penn Plax Silent Air Battery Operated Aquarium Air Pump. Specifically designed for aquariums, this air pump ensures the safety of your fish by automatically turning on during power interruptions. Equipped with a long-lasting battery power source, it's perfect for maintaining a healthy aquatic environment. This air pump is brought to you by the trusted brand, Penn-Plax, and is available in the air pump product type. Experience the peace of mind that comes with this essential aquarium accessory.