Lee High Temperature 181 Congo Blue Color Filter

Lee 181 HT Congo Blue is a heavily saturated UV Blue filter. Designers use Lee 181HT in back light, down light, and concert lighting. Lee 181HT works as a black light when combined with fluorescent sources. Lee Hi-Temp 181 is popular for night time and magical effects. Lee Hi Temp gel colors are designed to outlast standard color filters. Lee HT Color filters can be especially useful for gelling notoriously hot instruments such as scoops, cyc, border lights, and some ellipsoidal and fresnel spotlights.