ALBUM EQ SHOP › Lee Filters 4' x 4' Sheet - 206 Quarter CTO Image 1 of 1 Lee Filters 4' x 4' Sheet - 206 Quarter CTO $44.95 Converts daylight (6500K) to tungsten light (4600K). Quantity: Add To Cart Added! Converts daylight (6500K) to tungsten light (4600K).