Armstrong Ceiling Tile,48 in L,24 in W,PK6 510A

Excellent Sound Absorption, Total Acoustics Product, USDA certified Biobased Product Material Mineral Fiber Color White Standards ANSI/ASHRAE/USGBC/IES Standard 189, ASTM E1264 Classification Type IX, Form 2, Pattern G Fire Class A, ASTM E84, California Department of Public Health CDPH/EHLB/Standard Method Version 1.2, 2017, CAN/ULC S102, GREENGUARD Gold Certified Application Libraries, Music Rooms Series Cirrus