Accessories Hinge Kits Hinge kits are required by NFPA 96 for all hood exhaust upblast fans. The hinges allow the exhaust fan to be lifted securely so it can be properly cleaned and serviced. If your fan doesn’t lift easily, then hood cleaners have to struggle with the fan bowl, possibly causing damage to the fan, your rooftop or the fan wiring. Five Star Hood & [...]