Yescom 6" Cool Tube XL Wing Reflector Hood for HPS MH Grow Light Bulb Indoor Tent Greenhouse Planting Hydroponics Tempered glass 6" cool tube with XL wing; Streamlined design, quick air cooling and avoids high heat to protect your plant Upgraded 0.6mm thickness aluminum plate with pea texture, high reflectivity up to 95%; Removable extended large wings, reflective surface for maximum lighting intensity With UL listed standard E39/E40 ceramic socket for compatibility with most bulbs; Fits for 250W/400W/600W/1000W HPS or MH grow light bulbs Standard 6" air vent fits to 6" exhaust fan system(NOT included) and any grow tents Overall Dimension (LxWxH): 21 1/4" x 21 3/8" x 6" (54 x 54.3 x 15.24 cm); Assembly is required, easy to set up