The AIRFRAME Grille 7 is a 16.5 by 6.5 inch aluminium grille that can be installed into doors, cabinets, and walls to help increase ventilation . The grille can also be used in conjunction with a fan system to act as a passive intake or exhaust vent. To mount the grille into your cabinet or wall, you would need to cut a rectangle hole approximately 14.5 by 5 inches. Features a CNC machined anodized aluminum frame with a brushed black finish and matching flat-head screws. Information on the additional included hardware can be found below.