3 1/4" W x 3" D x 5" T. Works great with 10-55 gallon aquariums. 1/4" Black Cast Acrylic. 3-Sided (Front, 2 Sides, and Bottom). All Joints Are Water Tight. Recommended Return Pump of 700 GPH or less. Easy installation using aquarium grade silicone adhesive.
Specifications subject to change without notice, due to changes in manufacturing materials.