Lightspeed MH 400W


Regular price $27.99 Sale price $30.03
Shipping calculated at checkout.


  • Ultra-efficient double ended bulb
  • Long life span with minimal deterioration
  • High blue spectral ratio for enhanced vegetative growth
  • Reduced branch spacing and tight internodes


This high output, full spectrum, metal halide lamp is ideal for growing fruits, vegetables, flowers and herbs.

  • Warning

    This lamp can cause serious skin burns and eye inflammation from shortwave ultraviolet radiation if outer envelope of the lamp broken or punctured. Do not use where people will remain for more than a few minutes unless adequate shielding or other safety precautions are used. Lamps that will automatically extinguish when the outer envelope is broken or punctured are commercially available this lamp complies with USA Federal Standard 21 CFR 1004.30 and Canada Standard SOR/80-381.

Technical Specifications:

  • Watts: 1000
  • Lumens: 14 000
  • Kelvin: 4000
  • Unit Dimensions: 3.6" L x 8.25" W x 3.6" H
  • Shipping Box Dimensions: 3.625" L x 8.75" W x 3.625" H
  • Unit Weight: 0.38 lbs
  • Shipping Box Weight: 0.52 lbs
The LIGHTSPEED MH 400W 4000K LAMP is the yin, to your yang. You've found what you're looking for.

Inventory Last Updated: Jul 14, 2024

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