Speed Controller Variable Voltage EcoPlus EN designation means environmentally friendly

EN designation means environmentally friendly in that the lamp passes EPA

Granulated rockwool works great on its own or mixed with other loose media such as expanded clay rocks or coconut fiber

These are excellent quality back draft dampers

Grodan Delta 5

Get Big Bud today and watch your flowers expand

Speed Controller Variable Voltage EcoPlus EN designation means environmentally friendlyThis Can Fan variable voltage speed controller is for all 120 volt, 60 Hz. fans with less than 7. 5 amps drawn. This product provides smooth sinusoidal wave, so there is no growl at running speed. This unit is a great match for the 12 in & 14 in Max Fans.