OCTO LIGHTS 001 1 ft. x 4 ft. Fluorescent Light Filters CLD-001-1x4 - The Home Depot
Light Filters
Octo Lights - Fluorescent Light Covers - 2x4 Flexible Ceiling Light Filters - For Classrooms and Offices - Tree 003 - Walmart.com
Fluorescent Light Cover for Natural Light and Reduced Headaches
Classroom Light Filters - Set of 4
Amazon.com: Educational Insights The Original Fluorescent Light Filters in Whisper White 4-Pack, Reduce Glare & Flicker, Easy Setup for Office, Hospitals, Home & Classrooms : Toys & Games