For simple and economical control of fluorescent lighting, Rosco Fluorescent Sleeves can add virtually any color to your fluorescent lighting and. Buy this Rosco 48" x 25' E-Colour #402 Soft Frost Filter Roll 102304024825 with us today Rosco E-Colour+ 402 Soft Frost Gel Sheet [102304022024] - Gel & Filters: E-Colour+ is Rosco's comprehensive system of European color filters for film and video production. E-Colour+ includes different filters and materials for color correction, color effects, diffusion and reflection. They're . Rosco E-Colour+ 402 Soft Frost Heavy Diffusion Gel Roll (1.22m x 7.62m). Please Note: Image for illustration purposes only. One diffusion roll supplied only in a single colour. Rosco E-Colour Filter Roll 152 Pale Gold order online! - The roll has a size of 1.22x7.62m (48 x25Ž) and a light transmission of 71%.