Ultra Sun HPS Lamps 400 Watt | LU400/HPS 2000 Kelvin 901528

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$19.95  $15.39
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400W UltraSun High Pressure Sodium Grow Light Bulb

The Ultra 400 Watt super high pressure sodium light bulbs are specifically designed to superior plant growth. Their color spectrum and output rival other bulbs that are significantly more expensive. Please see our complete array of 400 Watt HPS light bulb models (link). The Ultra Sun 400 Watt HPS Lamp (link) is specially designed to enhance the growth of plants in indoor gardening. They have a very remarkable output and color spectrum, and that is what makes them so beneficial to indoor gardens. As an extra bonus, this lamp comes with a one year warranty.

Ultra Sun Super 400 Features:
  • Super high output lamp technology
  • Optimized spectrum, distribution pattern, lumen output and illumination
  • Reliable operation throughout the growth cycle
  • Highest quality and consistent performance
400 Watt Ultra Sun HPS Specifications:
  • Burn Position: Universal
  • Bulb type: ET18
  • ANSI Code: S51 lamp
  • Average Life: 24,000 hrs
  • Ballast Type: S51 400 watt HPS
  • Initial lumens: 50,000
  • Ultrasun Lighting part number: LU400/HPS
  • UPC Bar Code: 870883009847

LU400 Growing Hydroponic Agro Plant Bulb

See our selection of Ultra Sun HPS lamp models (link).

We ship our products throughout United States and Canada. Most of our products are warehoused in distribution centers in Washington, California, Tennessee, and Florida. This helps us ensure that you get your items quickly and safely. 95% of our orders are shipped within one business day. In some instances we have to ship from separate locations but this will not effect shipping costs.




  • Model: 901528
  • Manufactured by: Ultra Sun