Eheim PHL207184, 4.00 x 6.00 x 4.00, BlackThe Eheim Air Pump 200 provides powerful aeration to thoroughly oxygenate your aquarium water, aiding in the health of your fish and other aquatic inhabitants. It has been designed to offer ultra quiet performance in freshwater and marine applications, and is ideal for aquariums that are 60 gallons or less. This model features two adjustable air outlets, each one with an output of 26 gallons per hour (52 gph combined), as well as two diffusers. For