The Rosco #3072 1/2 Blue Gridcloth (60" x 20' Roll) is a type of reinforced blue diffusion material that measures 60 inches by 20 feet. When used with a light source, it can increase the Kelvin temperature from 3200K to 4100K.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.