... easy to useCreate strong, neat and air/ water tight sealing seamSimple, robust, reliable and user-friendlyLight weight and ... ,300mm and 400 MMOPERATIONSimply place a bag between the sealing bars, press down and release.- Place a plastic ... to ensure neat and strong sealing effectModel: YS-aluminium shell 400Impulse power : 600WMax sealing length : 400mmMax sealing thickness : 0.8mmHeating time ...