HIGH OUTPUT 4' Clear Tube Guard for T5-HO Bulb
HIGH OUTPUT 4' Clear Tube Guard for T5-HO Bulb: use only when in conjunction with electronic high efficiency ballasts that are designed to prevent overheating of the lamp during use and at "end of life." It is not recommended using under any condition where surface lamp temperature can exceed 200 degrees Fahrenheit or in an enclosed fixture where normal venting is prohibited. Not recommended for use with dimming systems or applications where power surges or spikes can cause arcing or over-burning of lamps. Each tube guard is sold per piece but there is a 4 piece minimum per order.