This special model from the FERMANT^® series can both aspirate air and inject gas. It is available in sealing lengths of 400 and 600 mm. The gas injection medium (e.g. nitrogen) can be connected to the rear of the device. The conventional application is packing of coffee. All parameters can be adjusted with the integrated programmable controller. Sealing and cooling times in addition to the number and duration of the aspiration and gas injection intervals can be set.