Design - Made by aluminum alloy, anti-corrosion. Rectangle shape, Good for ventilation of closed spaces.. APPLICATION - Fixing on cabinet back or side panels for air ventilation purpose. Such as Sink Cabinet, Kitchen Stove Cabinet.. Easy Unrestricted Air Flow For Your HVAC System.. Size - Install Hole: 465 x 35mm / 18.31" x 1.38"(L*W).. NOTE: Need to cut square hole on cabinet back or side panel, Screws are Not included here..
