AIRTIGHT FUSION SEAM

ventilating ducts of metal; metal pipes and metal fittings therefor; flexible venting equipment, namely, metallic and aluminum ducting hoses for use in clothes dryers, kitchen, stove and range, and bathroom venting and for air movement in heating and air conditioning duct systems; metal chimney liners

HVAC unit accessories, namely, metal extension sleeves sold as integral component parts of air deflectors and register deflectors that are themselves sold as integral component parts of HVAC units, all for directing air flow within an HVAC system; connectors and fasteners sold as integral component parts of the foregoing goods; dampers for extracting heat and humidity from ducts leading off of domestic clothes dryers; dryer vent kits comprising a clothes dryer exhaust vent, a flexible exhaust duct, and clamps therefor; non-metal chimney liners