The T12 / 3' Rosco #3317 Tough 1/8 Plus Green Fluorescent Sleeve is a pale green filter most often used to neutralize the magenta cast found in some fluorescent lamps. It is equivalent to CC035 Green and transmits 93% of the filtered light.
This RoscoSleeve is a clear polycarbonate tube with the #3317 filter inserted inside. The sleeve comes with two end caps so it is safely contained.