T5/F28 Fluorescent 4' DIMMING SLEEVE, (4117-T5-Dimming4) These light stabilized unbreakable clear poly carbonate U. V. filtering sleeves are designed to provide protection in case of fluorescent lamp failure. In addition to containing broken glass particles and lamp chemicals, which protect personnel from injury, the Fluorescent Dimming Sleeve allows you to regulate the light output or reduce lamp glare by simply turning the sleeve with your fingertips to your desired comfort level. End caps are included. Tubes measure 44-5/8" long without end caps, 45-1/4" with end caps. 2 end caps included with each tube.
Sold seperately or by the case. 25 per case.
NOT INTENDED TO BE USED WITH T5/F54 HIGH OUTPUT BULBS, High output bulbs run too hot and will melt the tube guard over time.