Features or Advantage – For small business & semi-industry use No need air compressor (connect electric only) Suitable for office, laboratory, small shop, super market, etc. (Sound is quiet) Material STS 304, low price, compact size, and simple to use Specially small or within 3L items packing is very optimize (option: 140L/Min) Pack around 500 rv 1,500 times per day (8 hours, A4 size standard, 25L/Min) Detachable & adjustable work tray height around 150mm Application Field Electric parts & semi-conductor, Clinics & hospital, Optics & museum, etc (Car & metal parts, Optical & medical products, Museum, etc.) Food industry (Grain, Dry seafood, Tea & coffee, Medical herbs, Nuts, Vegetables, Feeds, etc) Purpose of Vacuum Packing Prevent oxidation, corrosion, decomposition, discolor Remove particle & dusty_ Prolong distribution period & keeping convenient & scratch protection Specification – Must use the film thickness less than 120μm {up & low: within 250μm) Model Sealing Length Sealing Width Vacuum Pump Packing Count Eletric Specs Impulse Consumption VS-M Series 350mm 5mm 25L/Min Motor Pump Option: 140L/Min Pump 1~10ea/min (depend on the items) 1ph 110/220V 50/60hz 1kw 10mm 1.5kw 450mm 5mm 1.3kw 10mm 1.7kw 600mm 5mm 1.5kw 10mm 2.2kw Those figures are changeable by various situations. 140LPM upgrade model assembling into the separate STS304 case(16kg I 160*300*220mm)