Roof mounted power attic ventilator with adjustable thermostat from 60 to 120 degrees & adjustable humidistat from 20% to 90%. Thermostat runs fan in summer. Humidistat runs fan in winter. 4.3 amp motor, 6 bladed fan blade. 14-1/2" diameter opening. Needs 720 sqin of net free intake area.

• Black color
• 25" diameter metal dome, 1500 CFM
• Ventilates up to 2100 sq.ft.
• With adjustable thermostat from 60 to 120 degrees & adjustable humidistat from 20% to 90%
• Thermostat runs fan in summer
• Humidistat runs fan in winter
• 4.3 amp motor, 6 bladed fan blade
• 14-1/2" diameter opening
• Needs 720 sqin of net free intake area.