These filters, commonly known as “Thrifty Flame Stop”, are made from Galvanized Steel. The unique roll formed baffles are designed to collect grease and prevent flames from passing through. The maximum operating temperature is 450 degrees F. They are UL classified and meet NFPA standard 96.
All standard sizes are undersized 1/2″ on width and length and 1/8″ on thickness. Custom sizes are +/- 1/8″ on width and length.