Shat-R-Shield fluorescent lamps are coated from end-to-end with our exclusive, patented plastic coating. if a Shat-R-Shield lamp is dropped or broken, virtually all glass, phosphors and mercury are safely contained within the coating. our coating reduces light output by less than 1% and is a minimum of 16 mils thick. Shat-R-Shield lamps are UL & NSF certified, USDA approved and meet FDA and OSHA standards. lamps should not be installed in areas where ambient temperatures exceed 120degF. Shat-R-Shield linear fluorescent lamps are available in various wattages, colors and Kelvin temperatures, including T5, T8 & T12 sizes. Shat-R-Shield also offers many fluorescent lamps in ultraviolet (UV) blocking versions.