Model XG-CC5F cube core return and exhaust filter grilles are designed to provide low pressure drop and low sound levels. The XG-CC5F is designed to hold one-inch thick filters (provided by others) and includes a hinged face with thumb latches for quick filter changes. Optional removeable face (four thumb-latches) available. XG-CC5F is an excellent choice for applications requiring minimum pressure drop and noise in return and exhaust applications.