EDUCATIONAL INSIGHTS - Classroom Light Filters, 2' x 2', Tranquil Blue, Set of 4 1092 This 4-inch screw-on number is

This 4-inch screw-on number is perfect for displaying your address clearly and stylishly

511 Impregnator is not a surface coating and will not alter the natural look

Includes essential vitamins and minerals such as niacin

Clean up to 10

EDUCATIONAL INSIGHTS - Classroom Light Filters, 2' x 2', Tranquil Blue, Set of 4 1092 This 4-inch screw-on number isTransform your classroom into a serene and focused learning environment with these tranquil blue light filters. Designed to fit standard 2' x 2' ceiling fixtures, they effectively reduce glare and harsh lighting that can cause eye strain and discomfort. This set of four filters is perfect for creating a calming atmosphere, helping students to concentrate better and feel more relaxed during their studies.