Super Pulse Start Long Life, Venture Lighting

These quartz metal halide (MH) lamps contain two quartz arc tubes, extending the life of the lamp to 40,000 hours twice as long as standard probe-start MH lamps. With a lumen output of up to 114 lumens per watt, available wattages range from 70W to 875W. Typical CRI is 70, with options from 68 up to 90-plus and color temperatures between 3700K and 5000K. A medium screw (E26) or mogul (E39 and EX39) base, in a variety of bulb envelope shapes, are offered. Rated for both open and enclosed fixtures, operational positions include universal, vertical (plus or minus 15 degrees), base-up (plus or minus 15 degrees) and horizontal (plus or minus 75 degrees). venturelighting.com