SALE (Sylvania 64351) M1000/PS/U/BT37 Metal Halide Light Bulb M1000/PS/U/BT37 Metal Halide Light Bulb Sylvania 64351 1000W METALARC PULSE START compact quartz metal halide lamp, reduced outer jacket, reduced color shift, E39 base, BT37 bulb, enclosed fixture rated, universal burn, clear, 3800K Manufacturer -... $70.00 $62.50 Add to Cart