22.60.00 Gas and Vacuum Systems for Laboratory and Healthcare Facilities
22.62.00 Vacuum Systems for Laboratory and Healthcare Facilities
22.62.13 Vacuum Piping for Laboratory and Healthcare Facilities 22.62.13.53 Laboratory Vacuum Piping 22.62.13.70 Healthcare, Surgical Vacuum Piping 22.62.13.74 Dental Vacuum Piping 22.62.19 Vacuum Equipment for Laboratory and Healthcare Facilities 22.62.19.53 Laboratory Vacuum Equipment 22.62.19.70 Healthcare Vacuum Equipment 22.62.19.74 Dental Vacuum and Evacuation Equipment 22.62.23 Waste Anesthesia-Gas Piping