ALBUM EQ SHOP › Lee Filters 4' x 4' Sheet - 223 Quarter CTO Image 1 of 1 Lee Filters 4' x 4' Sheet - 223 Quarter CTO $44.95 Converts daylight (6500K) to tungsten light (5550K). Quantity: Add To Cart Added! Converts daylight (6500K) to tungsten light (5550K).