Certification for Michigan Hood Cleaning

Baffled grease filters also require the flame to travel around the baffles, thus keeping the flame from impinging on the greasy sheet metal, and spreading into the plenum and duct.

Mr. Ackland's book "Fire Investigation in Commercial Kitchen Systems"referencing NFPA 96, points out that a grease filter and a spark arrestor are not the same thing. He uses a photo for clarity. See page 13 of Chapter 4. A most fasinating book, showing good and bad examples of exhaust systems, fire suppression systems, and resulting problems. (Phil, please insert unmarked dollar bills into an envolope and mail to me)
 
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