We offer a large selection of Impulse Heat Sealers with Flat Elements. You can search many types of Impulse Heat Sealers with Flat Elements and Flat Elements Service Kits. Impulse Heat Sealers with Flat Elements is seals polypropylene and polyethylene bags and tubing up to 6 mil thick. No warm-up required. Flat Elements Service Kit includes three elements, Teflon cloth cover, and adhesive Teflon insulation tape.