LUMENITE LIGHT SLEEVE&reg; The Lumenite Light Sleeve is a new photoluminescent, i.e., glow-in-the-dark product complimenting facilities existing fluorescent lighting fixtures offering a failsafe light source in the event of blackout or other power loss. Lumenite Light Sleeves offers a unique emergency lighting solution providing 100% reliable emergency lighting. This ingenious emergency safety lighting system instantly provides low-level lighting wherever installed. Lumenite Sleeves install by removing a fluorescent lamp from its fixture, sliding it into a Lumenite Sleeve and re-mounting. * Low initial cost * No ongoing costs * No batteries needed * No mains power source needed * No wiring needed * No alterations to your existing fittings * No tools needed * No switches needed * No internal parts * Automatic and instant activation * Reduced power bills * Increased security * Increased safety * Environmentally friendly * Provides tube breakage protection * Qualifies as a glass containment device * 100% reliable * Non-toxic * Sites kept illuminated under all conditions * Quick and easy to install * Last for up to 20 years For use with all 4' foot T8 / T12 fluorescent lamps. Lumenite Light Sleeves are a failsafe Lighting source. A totally new and unique emergency lighting solution providing 100% reliable emergency lighting that is fail-safe and free. This simple and ingenious emergency safety lighting system instantly provides low level emergency lighting whenever needed.