Yescom 42" Reflector Hood Umbrella Shade for HPS MH Grow Light Bulb Tent Indoor Hydroponics Greenhouse Planting Iron sheet with white heat resistant powder painting, high thermostability and more durable Built-in aluminum reflector for horizontal lighting, high reflectivity up to 95%; Air cooling, wide light distribution 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 Socket can be accommodated for horizontal or vertical mounting Overall Dimension (Dia. x H): 42" x 16" (106 x 40 cm); Assembly is required, easy to set up