GL MH 400W Retro Lamp Bulb - 3700K

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  • $42.99
  • Regular price $49.99



GrowLush MH 400W Retro Lamp Bulb - 3700K 

Works On HPS Gear Only*

Retro MH Bulbs give you the same spectrum as MH bulbs but work on HPS gear. So if you've only got a HPS ballast these bulbs let you get the results of a MH light without having to buy a MH ballast. 

GL MH 400W Retro Lamp Bulb SPECIFICATIONS:

  • Power: 400 watts (High efficiency)
  • Expected Life Span: 10,000 hours
  • Lumen: 52,300 lumens
  • Contains...
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