Byson Door Louver Grilles, Anodized Aluminum Neck Size:12 x 12 inches Designed for use with a

Designed for use with a 40mm height x 52mm width channel

Wall spacers can be adjusted to level the arms independently

High durability and corrosion protection

for superior system safety and leak prevention year after year

Byson Door Louver Grilles, Anodized Aluminum Neck Size:12 x 12 inches Designed for use with aProduct Description Applications Use in your residential, commercial or industrial spaces to ventilate rooms while maintaining privacy and security For installation in doors of any construction eg brick, cement, metal, wood, etc Suitable for doors starting from 1. 25" up to any thickness Heavy Duty, rugged and robust aluminum construction 1mm thickness Anodized Aluminum Finish Beautiful aesthetic, with improved scratch, rust corrosion and wear