The FAMCO Make-Up Air Kit with 6" Pressure Relief Damper and Vent Hood is designed to bring in outside air when a pressure threshold is crossed, causing the damper to open. The damper includes a sliding weight that allows for the pressure threshold to be adjusted. This product is similar to a kit that was called the "Skuttle". The wall vent included with this kit includes a 1/4" screen. Quality constructed from 26-22 gauge galvanized steel.

• Balancing and adjusting airflow in residential and commercial HVAC systems through an air pressure activated damper
• DAMPER: Single blade damper made from 28 gauge galvanized steel
• INTAKE HOOD: Screened intake vent made from galvanized steel
• Quality constructed from 26-22 gauge galvanized steel
• Weights can be adjusted to desired airflow or barometric pressure within the home