Lab-Box 135 is a compact daylight-loading film developing tank designed for ease and convenience. Ideal for home use or on the go, it allows you to develop 35mm film in full daylight without needing a darkroom. With its modular design and adjustable reel, Lab-Box can also process 120 format film by adding the optional 120 Module. It’s the simplest and fastest way to develop your own film anytime, anywhere.