AD-GR AD-H AD-A Product Name: Ceiling Access Door Item code: AD-A Material: Extruded Aluminum Alloy (the thickness is commonly 0.8mm-1.2mm, also can be customerized ) Surface Finish: Backed powder coated / Natural anodized Corlor: commonly white / other colors are available as per your requested Size: different sizes available upon your requested Price: best price will be quoted individually upon your requested size or special specification. Features: This ceiling access door is the latest style with the nice appearance.It is often used to the ceiling which need to be checked and maintained in order to avoid the trouble removing the ceiling. Application: Ceiling downward projection type air distribution / Sidewall outlet type air distribution