Armstrong Cortega Fire Guard Acoustic Panels

Selling Armstrong Cortega Fire Guard acoustic lay-in panels. These are designed for installation in a 15/16" Prelude Fire Guard Exposed T-Bar Grid. Each panel has a vinyl latex finish. - Dimensions: 24" x 48" x 5/8" nominal - 8 pieces cover 64 sq ft - Manufactured in Macon, GA; Marietta, PA; Pensacola, FL; and St. Helens, OR I have 4 brand new never opened 8 per pack asking 50.00 each or all 4 for 175.00