Custom Cones USA Fast Fill 121 Replacement Cartridges Pre-Roll Tray Size:84mm Cone Cartridge low energy use/low heat output

low energy use/low heat output grow light for use in grow rooms

Includes integrated summer fan only and thermostat timer modes

Trials have shown that an increase in ethylene concentration results in a reduced time to harvest and synchronized

Due to the better developed root system in Grodan Gro-Blocks Improved

fans will strengthen stems

Custom Cones USA Fast Fill 121 Replacement Cartridges Pre-Roll Tray Size:84mm Cone Cartridge low energy use/low heat outputFast Fill Makes Pre Roll Filling Simple & Easy Wether you're looking to buy extra cartridges to preload your cones, or you're just wanting the ability to pick and choose, Custom Cones has exactly what you need. What makes the Fast Fit 121 great, is that the base units are the same for both the Fast Fit 55 & 21. That means, if you decided to start with the 55, you could easily upgrade by just purchasing 121 cartridges! Or vice versa, say you purchased