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Product Spec Sheet: 
66" x 144" Galvanized Steel Quad Door SafeMAX™ Smoke Vent, Rooftop Close
Prioritize safety, reliability. and affordability by installing our high quality Quad Door SafeMAX Smoke Vent. It is ideal for commercial and industrial establishments such as factory, storage, and warehouses that require a total vent area. It can also help in compliance for the building safety code with its promising features. Moreover, this product offers secucity with its zinc-plated steel rotary latch that holds covers against 30psf and uses aluminum and steel materials. Its fusible link is also an advantage to automatically open the door at a temperature rise of 165°F. The insulation and the EPDM gasket seal also helps in weatherproofing the vent to avoid leaks and air infiltration. This smoke vent comes in various sizes to answer the requirement of buildings.