Dead Air Box w/UV Light and Adjustable External Fluorescent Light Outer Dimensions: 25.75"W x 24"Dx 28.75"H. UV Light has 30 Minute Timer and Automatic Shut-Off Switch for End User Protection. Top,back and base are made of heavy duty easy to clean steel with two openings for cable in the back. Sides and Front Panels are made of 1/2" Thick Plastic that blocks beta radiation. One Year Warranty.