ALBUM EQ SHOP › Lee Filters 21" x 24" Sheet - 206 Quarter CTO Image 1 of 1 Lee Filters 21" x 24" Sheet - 206 Quarter CTO $12.95 Converts daylight (6500K) to tungsten light (4600K). Quantity: Add To Cart Added! Converts daylight (6500K) to tungsten light (4600K).