The Equipment board is designed to hang a fan or equipment from the walls of the tent. With a perforated metal sheet welded to 2 poles that go floor to ceiling, not only can you easily hang up 65 lbs on it, but it also strengthens the tent. The equipment board is made of high quality powder coated steel. It offers sufficient space of hangable space and the weight capacity 65 lbs. Works with all of Growlab tents excluding GL80 and smaller.