Educational Insights® Fluorescent Light Filter Covers, Rectangular, 2 ft x 4 ft, Tranquil Blue, 4 Covers (EII1230)

Classroom light filters reduce the flicker and glare of fluorescent lights to create a calming and pleasant environment. Tranquil blue color helps improve concentration, reduce anxiety and promote performance. Advanced design weakens harsh glare to prevent students from straining their eyes. Built-in magnets provide a simple way to attach each heat-resistant filter to standard ceiling light fixtures. Light filters are designed for use with fluorescent lights only.