QD-LFK1 Pressure Relief Vent

The pressure relief vent is designed for an exhaust performance within a positive pressure air-conditioned room. It will automatically open at the design pressure difference to ensure a free flow path from a pressurized space and will not open when indoor pressure is lower than outdoor pressure, thus allowing for a single direction air flow. The pressure relief vent is made of ABS plastic materials with a high dew point to prevent dew formation.