The XF4115 is a Filtered Fan Box with heavy-gauge steel construction and attractive stainless steel grills. Aluminum filter is coated with adhesive baffle surfaces for dust and dirt collection and can be recoated after cleaning for optimum performance. It is shipped with air flow to pressurize and can be user modified to exhaust. In a typical cooling arrangement, the filtered fan box pulls air into the enclosures and the filter grill is used as an air outlet.