AC Infinity AIRLIFT T-Series, Shutter Exhaust Ventilation Fan with Temperature and Humidity Controller Size:16 in 16 x 20 in Grille:

16 x 20 in Grille: Fits standard framing while the fan sits in the attic

so it spans both the new and older lines

Biological insect growth regulator (IGR) for larval pest control

It is recommended that the sensor is hung in a central location within the grow room facility

and clears grit on start-up

AC Infinity AIRLIFT T-Series, Shutter Exhaust Ventilation Fan with Temperature and Humidity Controller Size:16 in 16 x 20 in Grille:AC Infinity AIRLIFT T Series shutter exhaust fan with smart control The AIRLIFT T Series exhausts heat, moisture, odor, and dust out of a room through a weather sealed shutter. Four sizes cover the range: 631 CFM at 10 inches, 830 at 12, 1513 at 14, and 2560 at 16. An EC motor with PWM control pushes that airflow while holding noise and power down. Steel shutters close automatically when the fan stops, sealing out weather and pests. EC motor shutter