Compact pump with space for filtration system either for filtration to waste or to collection and storage in a 1000 ml glass bottle. In both cases the bottles stands safe without risk for turning over. Silent and maintenance-free diaphragm pump. The diaphragm and chamber is coated with PTFE and the 316SS valve offer good resistence to a wide range of corrosive gases. Built-in thermal protection to shut off the pump automatically when overheated and then resume working when temperature cools down. IP30 protection.