The most low profile air cooled 6" reflector on the market. Make the most of your vertical space. Only 5.9" high. Dimensions: 25"L x 17.6"W x 5.9"H. Most compact high output hood on the market. For 250-1000 watt HPS lamps or 250-1000 watt T15/T25 MH lamps. 95% reflective European aluminum interior offers excellent reflectivity and diffusion. Completely sealed—Featuring hinged glass and double gasket for an air tight seal. Powder-coated galvanized steel housing. Built-in 6" air-cooled flanges have a bead ring to keep ducting securely in place. Includes tempered glass, built-in socket & 15 ft lamp cord. Swing Stop™ retention cable keeps glass from abruptly swinging down. Captured thumb screws & closure mechanism for ease of use and excellent sealing. Overall Dimensions: 25L x 17.6W x 5.9H Glass Frame Dimensions: 17.4L x 17.6W