W-Series 6" Hand Press Double Impulse Sealer — Sealer Sales, Inc.
Machine for Sealing Extra Thick Poly Bags with Double Heating Element – Technopack Corporation
Amazon.com: American International Electric AIE-410FD Double Impulse Foot Sealer, twin heating element wires, Adjustable Work Table, Includes Stand and Foot Pedal, 18" Seal Length, 10mm Wide Seal: Home & Kitchen
Makmar | FDG - Pneumatic Auto Impulse Double Sealer