Perforated aluminum True Climaplus with fine-textured, smooth acoustical facing fits into slotted suspension tees. It supplies 0.9 LR value, minimizing eyestrain and number of fixtures needed in given space. Panel withstands conditions up to 104°F/95% RH without visible sag when used with Donn Fineline suspension system. Sizes include 2 x 2 and 2 x 4 ft.