This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Electronic Precipitators; Dust Collection Equipment.
Fan and Blower Equipment (FSC 4140); Air Conditioning Equipment (FSC 4120).
Possible NAICS Codes
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
335210 – Small Electrical Appliance Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
444140 – Hardware Retailers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing