AC Infinity Ventilation Grille, for PC Computer AV Electronic Cabinets, Also mounts one 120mm Fan 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 a 120mm fan 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, (4) fan mounting screws with nuts, and (1) 120mm spiral fan guard.