Max Tube Expander with Adjustable Reflector 24in

In stock

This cool tube lighting fixture is based on the original Cool Tube. It adds an adjustable reflector to cover a wide range of growing table sizes. Keeps plants cool and creates a more efficient growing system.

Max Tube Expander with Adjustable Reflector 24"




  • Provides extremely high light transmission with very low temperatures
  • Turns the Cool Tube into a highly reflective fixture
  • Compatible with all major lamp brands
  • Adjustable reflector with side wings can be independently adjusted to 4 different positions
  • Allows the user to create custom lighting patterns and intensities
  • Narrowest wing setting casts a 36” wide lighting footprint, the widest casts a lighting footprint 72” wide (both at 16” height from plant tops)
  • Easily connects to a 6" diameter air cooling system for even lower growing temperatures
  • Includes a 15' lamp cord and mogul socket
  • Borosilicate glass is high-temperature resistant with an extremely high light transmission
  • Dimensions: 31.5"L (from flange ends) x 19"W at widest setting x 7.5"H
  • 1 Year Warranty

The Max Tube Expander is an updated version of the Cool Tube that includes an adjustable wing reflector around the cool tube. Some added benefits of this reflector are the concentrated, directed lighting options for growing.


The reflector features independently adjustable wings that can alter the lighting footprint to better suit the users growing area. It also helps to further shield the surrounding area from the hot, high intensity discharge growing bulbs.


The entire system is designed to be connected to a 6" diameter air cooling system which keeps the heat that plants are exposed to very low. This allows for closer light positioning and improved growing efficiency. The unit comes with a 15' cord and a mogul socket that is compatible with almost any high intensity discharge growing bulb. It is great for improved growing efficiency due to closer bulb placement to plants.


Unit Ship Weight: 12 lbs

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