LMV series come with a retractable Nozzle made in Stainless steel is Vertical type Nozzle Type Vacuum Sealer. Comes with a vacuum Pump inside and a retractable Nozzle system made of stainless steel Suitable for large size & heavier weight packing. Its head parts can be adjusted up & down. Pump is non-oil filling for dry packaging.Air control-Press the Foot Switch, Vacuum & sealing will be finished. Operation is so easy. Operation requires an outside compressor. Customer needs to prepare the air compressor 6-7kg/cm2. The gas flush/purge is an optional feature