... (Buffer)/0107(Aventos) Color: silver/black (can be customized) Advantage1.Gas source: air/nitrogen2. lift : 45-200N .3.Lift distance: ... aluminium frame door ,different specification for different weight door,the gas spring can be ordered according to the door weight . Factory ... , rice box and dustbin, etc. Bath line: bathtub, steam room, bathroom cabinet, bath racks and sanitary like toilet, urinal, etc ...