Halton Model KEFB commercial kitchen exhaust fan is designed for high performance and to effectively contain grease and rainwater, mitigating contamination of the roof and the environment. This effective grease management system also meets the new requirements of many municipalities for stormwater control in commercial kitchens. The system is designed for an easy connection to the building grease interceptor (trap). The grease management system returns collected grease from filters, duct and fan to the grease interceptor where it can be collected for proper disposal or recycling. Standard features include, testing and balancing port, Gravity backdraft damper, direct access to motor compartment.