Kino Bulb 4' 420 Blue

The Kino Flo 4 420 Blue fluorescent tube is a specialized high-output T12 lamp engineered for chroma key applications, particularly blue screen setups. Emitting light at a narrow 420nm wavelength, it ensures precise color separation and minimal red contamination, facilitating cleaner keying in post-production. With a power rating of 75 watts and a G13 medium bi-pin base, this 4-foot tube is compatible with Kino Flo 4Bank fixtures and similar housings. Safety-coated versions are available to prevent glass shattering, enhancing on-set safety. These tubes are widely used in studio setups, interviews, and location shoots where consistent blue screen lighting is essential.