Speedball Diazo Photo Emulsion Remover, 32 Ounces - 1299494 The Speedball Diazo Photo Emulsion Remover comes in a classroom size squeeze bottle and contains 950 milliliters of solution. On applying low odor remover to the emulsion-coated screen, it cleans the screen with minimal effort. Ideal for quick clean-up of one's screen Convenient and easy to use Gives your screen a longer life of use over many applications A must have for your art classroom or home printing studio