5" cool tube grow light kit 400w 
These lighting kits feature the Cool Tube reflector which is arguably the most effective air-cooled reflector on the market. Its simple design enables extremely efficient air throughput and great cooling. The reflector has been recently redesigned to include a reflector attachment that better spreads the light. To use this reflector you would need to employ a suitable extractor fan. Which fan to use would depend on how you intend to use the Cool Tube

The best way to use Cool Tube lights is to get an extra extraction fan that just runs the light. You want to use this fan and some suitable ducting to get the coolest air possible, move it through your Cool Tube and then extract it out and away from your growing environment so you don't then recycle the hot air.  Use the info below to select a fan for use with your Cool Tube light.

Single Cool Tube RVK125 or RVK150A1
Two Cool Tube  RVK150A1
Four Cool Tube RVK150L1 or RVK200A1

If you simply can't afford an extra fan or space won't allow for it you can run your main extraction fan through the Cool Tube reflector but this would be less effective as the air would already be warm


































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5" cool tube grow light kit 400w 

  • Product Code: ct101
  • Availability: 100

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These lighting kits feature the Cool Tube reflector which is arguably the most effective air-cooled ..
£0.00