Vacuum seal your packages fast and effortlessly with Sealer Sales 20" Table Style Vacuum Chamber Sealer. This state-of-the-art machine boasts all the features needed to have a good vacuum sealing experience. Experience wrinkle-free consistent seals each time thanks to its top-grade components. This machine features a 22"L x 22"W x 4"H size chamber making it ideal for large-scale production. Plus, the one-touch sealing makes it easier to operate. This vacuum sealer is driven by compressed air thus noise, vibration, and heat generation problems are eliminated. Compared to electromechanically driven vacuum sealers, the design of the AVC-20 model sealer prevents particle generation and oil contamination that often lead to costly maintenance and shutdowns. The vacuum sealer is designed to meet critical cleanroom applications in different manufacturing industries. It instantly doubles the smaller package volume if you order the second seal bar. To operate this machine, an external compressor is required.