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The Standard Safety Vent II is a combination roof ventilator / emergency exit that provides 5-position fresh air ventilation.
The Pro Lo is a combination roof ventilator/emergency exit that mounts nearly flush with the roof.
The Power Safety Vent II provides all the features of the Triple Value Safety Vent II with the addition of an electric fan.
The Triple Value Safety Vent II is a combination roof ventilator/ emergency exit that incorporates a built in exhaust vent.