This type of air grilles's material: Extruded Aluminum Alloy
Surface Finish: Backed powder coated or Natural anodized
Feature: The blades ofthis return air louverare fixed in the frame for fresh air. It can be match with air filter in the air outlet. It has good ventilation and appearance and easy to maintenance and clean.
Material:aluminum alloy
Surface finish:powder coated
Color :white or other colors
Face size=neck size+54mm
Border width:27mm
different sizes available upon your requested
Application: ZS-CH Fixed return air louver is used for return air of ceiling and side walls in air distribution or air conditioner system. It is usually applied in washroom, toilet, lift pipe line and hole decoration etc.