The Shat-R-Shield Ironclad LED Vapor Tight High Bay luminaire serves as a retrofit for fluorescent fixtures commonly installed in applications exposed to moisture, dust and other harsh elements. Providing lumen outputs of 22,000 and 33,000, the NSF-rated, non-metallic luminaire is constructed of fiberglass-reinforced polycarbonate with a seamless gasket seal and stainless steel components. The tethered lens is available in clear or frosted versions.