This clear tube guard is made from extruded poly-carbonate. It has high tensile and impact strength over a wide range of temperatures. The tube guard slips over fluorescent tubes. If tubes are broken, the tube guard retains shattered glass and phosphors. Actual length of tube guard: 46.55 inches. Applications include schools, hospitals, museums, and art galleries.

T8 4' (48") Clear Tubeguard - Carton of (48) With Black Endcaps
Protects Fluorescent Bulbs Against Dirt, Dust, Bugs, and Breakage
OSHA, FDA, USDA Approved
Made to Protect 4' F32 T8 Lamps, which have a Diameter of 1"
Reusable, Unbreakable