These Whisper air pumps are tetra's most powerful line of air pumps. The pumps are designed for situations that produce greater back pressure, such as deep tanks (up to 8 feet deep), long decorator air stones, multiple air stones in one or more tanks, and protein skimmers for saltwater. Ul listed. Ap 150 shown.

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Delivers air where fish need it most, even in the deepest tanks. Excellent for Protein Skimmers. TetraTec Deep Water Air Pumps were designed to pump large quantities of air, even in deep aquariums where oxygen levels are low. They are also an excellent choice for driving protein skimmers, and have power to drive multiple airstonesin one or more tanks. These Deep Water air pumps are designed for situationsthat produce more back-pressure for tanks up to 8 feet deep. UL listed and comeswith a lifetime warranty under normal use. Model DW96-2 Great for all tanks up to 300 US gallons 115 Volts 60Hz 7.5 Watts 74" electrical cord 2 outlets Size (L x W x H): 8½" x 4½" x 3½