Sinbo DZ-280/2SE 11" Home Vacuum Sealer w/ Filter Canister & Retractable Nozzle (4mm Seal) from ABC Office Single 4mm seal width | Filter canister attachment to seal liquids Self-contained unit; not external compressor needed | Impulse sealing system; no warm-up time neede Retractable nozzle | Controllable heat timer Controlled heat-sealer timer and overheat warning indicator | Energy efficient, compact, and portable in siz