3 Aihua Halide Lamp BT 37 Metal Ed/E39 1000 Watts 11.5” is a new metal halide lamp manufactured by Aihua. It has a power of 1000 watts and is designed with a BT 37 shape. The lamp is suitable for use in facility lighting, specifically in areas where high-intensity lighting is required. The lamp has an E39 base and measures 11.5 inches in