? Its not a filter but an air noise reducer on the vac and it helps control the airflow from the exhaust port.
? Inside diameter is 2 inches and outside diameter is 2-1/4-inch.
? It designed to reduce air noise of the vac and to hamper the airflow from the blower port.If you notice any dust coming out of the blower hole, check the condition of the filter. It occurs if you dont have the filter installed, the filter is damaged, not installed properly in the unit or youre not using the correct type of filter for the job.
? This accessory connects to a blowing port to suppress motor noise without reducing suction power.
