48" wide x 25' long per role. RoscoSun daylight filters are used to lower color temperatures for film and TV. Used on 5500K sources to balance with Tungsten-Halogen sources. (#3407) RoscoSun CTO: Converts 55007K daylight to a nominal 29007(#3408) RoscoSun 1/2 CTO: Converts 55007K daylight to a nominal 38007(#3409) RoscoSun 1/4 CTO: Converts 55007K daylight to a nominal 45007(#3410) RoscoSun 1/8 CTO: Converts 55007K daylight to a nominal 49007(#3411) RoscoSun 3/4 CTO: Converts 55007K daylight to a nominal 32007 Tungsten Filters are used to raise color temperature as needed. Typically used on Tungsten-Halogen sources to balance with daylight.(#3202) Full Blue (CTB): Boosts 32007K to nominal 55007K daylight(#3204) Half Blue (1/2 CTB): Boosts 32007K to nominal 41007K daylight(#3206) Third Blue (1/3 CTB): Boosts 32007K to nominal 38007K daylight(#3208) Quarter Blue (1/4 CTB): Boosts 32007K to nominal 35007K daylight(#3216) Eighth Blue (1/8 CTB): Boosts 32007K to nominal 33007K daylight(#3220) Double Blue: Boosts 32007K to nominal 10,0007K daylightTwo sizes available of both filters:(#5609) 20" x 24" Sheets . . .$6.50 per sheet(#5604) 48" x 25' Roll. . . $155.00 per roll