Description Signature Packaging Model Hk 2020-Si 20" w x 20" l l-bar heat sealer Roll-type payoff With manual film feed system Air actuated sealing head Push-button controls Analog temperature controls Year 2000 Signature Packaging Model 2412Tm 12" x 24" conveyorized electric heat shrink tunnel 66" overall length With 24" w motor driven cloth belt conveyor Top-mounted electric heater With blower Analog temperature controls Year 2000