The Transfer Hatch Active L is particularly designed for the use in pharmaceutical and life-science production, chemical divisions, research institutions, for cleanrooms from ISO class 4 as well as GMP class B. It is the perfect solution for the quick and efficient transfer of different materials and products from and into cleanrooms. The sound ventilation concept inside the lock ensures highest cleanness directly on the product. Most models of the Active Transfer Hatches are equipped with HEPA filter and exhaust air filter devices.