Designed to be installed into cabinets or walls to help increase ventilation Can also be used in conjunction with a fan system to act as an intake or exhaust vent Includes optional hardware to secure two 120mm fans onto the grille, and mount it into your cabinet or wall Features a CNC machined aluminum frame with a brushed black finish; and honeycomb grill insert Kit includes (4) wood mounting screws, (4) machine mounting screws with nuts, (8) fan mounting screws with nuts, and (2) 120mm spiral fan guards