YS-FL-5545A & YS-FL-5545B Semi-automatic Shrink Wrapping Machines Single-phase AC220V 50Hz, 1.0kW, air pressure 0.6-0.8MPa. Packing speed: 8-15 pcs/min, max sealing size L550×W450mm. Model 5545A: manual sealing operation. Model 5545B: pneumatic-driven sealing to reduce labor intensity. It shall be used together with heat shrink tunnel YS-SM-4525. Suitable for semi-auto sealing of cartons, gift boxes and printed products.