Advantage --- Low noise.  --- Supply 8 functions. --- 450-1200mm seal length. --- Work table is 0-45 tiltable. --- Easy to operate and maintain. --- Only 14s-18s each packing cycle. --- Flow of gas flush can be adjusted. --- Memorize 10 different packing set. --- Support wide range of bags also thick bags. --- Equipped with oil/water separator and dust filter.  --- Special button to clean inside hose automatically.  --- When withdraw nozzle, the machine still vacuum. --- Installed with brakeable caster. Easy to move and stop. --- Low gas consumption, and it can fill sufficient gas into bag.