Improve your light deprivation strategy for healthy and strong production in your greenhouses with a Single Phase J&D Manufacturing WM Light DEP Exhaust Fan. Using light deprivation to control growth cycles is a trending strategy for everything from short-day plants, such as cannabis and poinsettias, to poultry.

Without the proper ventilation during the light deprivation stage, heat, mold, and disease can quickly destroy your production, setting you back a whole season.

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 & accurate air exchange calculations
• Fan with light trap mounts flush to the interior of the building freeing up valuable space in your house & eliminating a protruding ledge that can collect debris & possible pathogens
• 1.5 million:1 light reduction factor
• Washable
• Easy to assemble
• Aluminum exterior shutter with tie bars to minimize unwanted air infiltration & noisy flapping
• Durable, corrosion-resistant 18-gauge galvanized steel housing for a long life

H-Frame

• Heavy 12-gauge steel for strength
• Galvanized for a long life

Prop

• Precision balanced for efficiency, extended fan life & reduced noise

Bearings

• Eccentric locking
• Pre-lubricated
• Permanently sealed & rubber mounted to improve operation & reduce prop fatigue
• Covered by a 3-year manufacturer warranty

Venturi

• Precision machined for consistent predictable performance

Standard Motor

• Totally enclosed
• Maintenance-free, completely sealed ball bearings
• High-efficiency
• UL & CUL recognized
• Covered by a 2-year manufacturer warranty

Belt Drive

• Automotive style belt tensioner
• High efficiency notched v-belt

Specifications

Additional Notes

• OSHA required these fans be mounted a minimum of 7' off of the floor
• Light trap ships unassembled, see video for instructions