These filters, commonly known as “Fire Patrol”, are made from 3003-H14 Aluminum. The unique roll formed baffles are designed to collect grease and prevent flames from passing through. The maximum operating temperature is 250 degrees F. They are UL classified and meet NFPA standard 96.
All standard sizes are undersize 1/2″ on width and length and 1/8″ on thickness. Custom sizes are +/- 1/8″ on width and length.