FRQM-980CD Nigtogen Flushing Continous Sealing Machine improves on the basic of FRM-980. FRMQ-980CD for packing easy broken objects or bulking foodstuff with high efficiency. It aerate the plastic film package bag in order to not break the plastic bag, if you don't use fan, you could use nitrogen, inert gas so that increase the degree of food preservation effect. When close the fan air, this machine could be used as continuous sealer.