ES Shutter Fan Diameter:16" (3 Speed, 1200/2050/2950 CFM) If you are only going

If you are only going to keep your greenhouse plastic on for one year

Can be used with the AMP-2 or the AMP-3 nutrient sensor module

Teflon tape

Self-tapping channel wirelock screws are needed for securing channel base to the greenhouse frame

LED lifespan: 50000 Hours

ES Shutter Fan Diameter:16" (3 Speed, 1200/2050/2950 CFM) If you are only goingThe ES Shutter Fan is a durable agriculture grade exhaust fan perfect for barn and building peaks, greenhouses, warehouses, and more. ES Shutter Fans are available without a cord, or pre wired with a cord and plug for "No Electrician Required" installation. Fans ship fully assembled out of the box so you're up and running in no time! This exhaust fan is 115V, aluminum construction, and indoor outdoor. Available in 10, 12, 16, 20, 24 and 30 Comes fully