[ OPEN - 3" Letters ] OPEN - 3" Letters Now All AdGlo NET Pricing SKU: 3676 Dimensions: 6"H x 13"W x 3/4"D Retail Price $59.99     Our 3" OPEN sign is a compact version of the original. The Intralight design provides same LED intensity and glow. 3" high letters are visible up to 100'.