Mega Storm 72" Exhaust Fan w/ Cone (40,792 CFM @.10” SP) semi-gable greenhouse kit It allows the telescoping arm

It allows the telescoping arm (and thus the motor) to pivot along the side of the greenhouse

GrowControl™ SXW Weather Monitor & Logger is a precision digital outdoor sensor

Electric bills

Research shows that applying UV light for 6 hours per day

Mega Storm 72" Exhaust Fan w/ Cone (40,792 CFM @.10” SP) semi-gable greenhouse kit It allows the telescoping armThe 72" Mega Storm fiberglass exhaust fan is made right here in the USA and uses an American made motor and twin Gates size "A" belts. The heavy duty X frame and Double A auto belt tensioner provide superior strength and durability. Use this exhaust fan for virtually any application! KEY FEATURES: Certified performances up to 40,792 CFM @. 10 SP Twin Gates size A belts are easily accessible and require no tools for replacement in seconds Double groove