Ary Vacmaster 979420 Seal Bar Tape For Vp320 And Vp325 Chamber Vacuum Packaging MachinesVacmaster Vp320 And Vp325 Replacement Seal Tape Seal Tape Covers The Wires Of The Seal Bar So The Wires Dont Come In Direct Contact With Vacuum Packaging Pouch The Tape Is Built To Withstand The Heat Of The Seal Bar And Ensure A Proper Seal Seal Tape May Wear Ou..