The Ista Metal Air Valves (3 outlets) allow you to control up to 3 different air lines from your air pump. Quickly and easily attach this convenient device to your aquarium frame and streamline your air tubing setup. With a control knob available for each outlet, you can adjust the pressure on each air tube individually. Customize the use of your air rocks, bubbles, air decorations, or any other air pump-powered device. 2.5" x 1.25" x 3"
