Cooling systems comprised of an air conditioner and an air-to-air heat exchanger, not being part of a machine

Pharmaceutical preparations and substances for the prevention, treatment, and/or alleviation of respiratory diseases and disorders

DUAL FINE BUBBLE DIFFUSER FOR DIFFUSING AIR OR GAS, NAMELY OXYGEN OR OZONE, IN THE FORM OF FINE BUBBLES INTO A LIQUID FOR USE IN WASTEWATER TREATMENT

Self-Contained Cab Climate Environment System Consisting of an Air Conditioner, Heater, and Pressurized Unit, Designed for Off-Highway Vehicles

Beds; Mattresses

plumbing products, namely, a ventilation system comprised of ventilators, ducts and controls, motors and blowers, for venting air and steam from rooms, and a ventilation system comprised of ventilators, exhaust fan and duct, hose and tubes, hose connector and wall brackets, for venting air from toilet bowls, all sold as a unit