The BGVT SERIES is Made in America and NSF Sanitation listed. The BGVT provides ideal illumination for canopies, warehouses, schools, breezeways and service corridors. The BGVT SERIES is corrosion, flame and vandal resistant. HOUSING: 100% UV stabalized polycarbonate, liquid silicone perimeter gasket with memory retention. DIFFUSER: The frosted UV stabalized polycarbonate diffuser eliminates glare and provides even light distribution.