Power tool including an air filter and debris collector

A power tool comprising:

• a power tool housing, the power tool housing including a fluid inlet and a discharge outlet;
• a motor;
• a tool moved relative to the housing by the motor;
• a fan rotated by the motor such that a fluid flow with debris generated by the tool is moved into the fluid inlet by the fan and through the discharge outlet;
• and
• a filter that is removably attached to the power tool housing, the filter including
• a filter media configured to separate the debris from the flow of fluid, the filter media defining a collection container configured to store the debris,
• an opening through which the flow of fluid with the debris enters the collection container, and
• a valve that is moveable between a closed position, in which the opening is closed, and an open position, in which the opening is open, wherein the valve includes a zipper, wherein when the filter is attached to the housing, the zipper is automatically moved to the open position, such that the opening of the filter is in fluid communication with the discharge outlet, and wherein when the filter is removed from the housing, the zipper is automatically moved to the closed position.