Courtesy USG

USG Mars Acoustical Panels, USG
These acoustical ceiling panels from USG now come in Clean Room options of up to International Standards Organization (ISO) Class 5. The mold-resistant panels offer a noise-reduction coefficient of up to 0.75, and have a high light-reflective finish that is washable, scrubbable, as well as impact and scratch resistant. Panels come standard in square edge, shadowline tapered, and fineline beveled shapes in 24 sizes, including 24"-square and 2'-square. usg.com