Material: PVC. Sprayer Box biostep ® (DESAGA) with fan Improve the safety and productivity of your laboratory! The spray chamber as a protective device when spraying TLC plates with aggressive solutions is made of acid-resistant PVC and can accommodate TLC plates up to 20 x 20 cm. A built-in low-noise fan directs the spray mist via the pipe connection at the rear into a fume cupboard to ensure that no hazardous vapours remain in your working environment. The fan’s pipe connection leads upwards and can be easily connected to a standard NW 110 installation pipe to ensure efficient ventilation. With an air supply of 400 m 3 /h, the spray chamber is converted into a small fume cupboard on your workbench. Any reagent that runs off is collected in a separate tray. Delivery without tube.