Classification Information
Air exchangers for cleaning and purifying air; Air filtering units; Air filters for air conditioners in vehicle passenger compartments; Bathroom exhaust fans; Fans for air conditioning apparatus; Filters and filtering devices for air and gas conditioning; Gas purification machines; HEPA filters for household use; Pressure regulators for gas installations; Roof fans; Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilation units for commercial food preparation and food serving
Environmental Control Apparatus