J&D Manufacturing Galvanized WM Light Deprivation Exhaust Fan with Light Trap, 30" - 6216 CFM (Direct Drive, 115/230 Volt, 1/2HP, Single Phase, 3 Blade Aluminum Prop) – 30" - 6216 CFM (Direct Drive, 115/230 Volt, 1/2HP, Single Phase, 3 Blade Aluminum

Using light deprivation to control growth cycles is a trending strategy for everything from short-day plants such as hemp and poinsettias, to poultry houses. Without the proper ventilation during the light deprivation stage, heat, mold, and disease can quickly destroy your production, setting you back a whole season. J&D's WM Light Dep Fan is a crucial piece of your light deprivation strategy for healthy and strong production. WM Light Deprivation Exhaust Fan Features: Allows for greater control over growth cycles Full range of sizes, even for small operations Test data is for fan with light trap enabling dependable and accurate air exchange calculations Fan with light trap mounts flush to the interior of the building freeing up valuable space in your house and eliminating a protruding ledge that can collect debris and possible pathogens 1.5 million:1 light reduction factor Washable Easy-to-assemble Applications:Greenhouse, Poultry Fan Size Rough Opening 24" 35" W x 35" H 30" 41" W x 41" H 36" 47 1/4" W x 47 1/4" H 42" 53" W x 53" H 50" 59" W x 59" H 55" 66 1/4" W x 66 1/4" H