24" x 24" Perforated Diffusers PV Series Adjustable Curved Blade with 6" Neck, Tuttle & Bailey, PV, Steel backpan with steel (PV) face, Individually adjustable blades, Removable perforated face, One piece stamped backpan with integral neck, Standard finish: White (WH), OVERALL DIMS:24"H X 24"W X 4"L, WEIGHT:8 POUNDS, MADE IN MEXICO.