10 Surgical air compressors; medical air dryers, namely, being part of medical air systems primarily comprised of air filters for medical ventilators, carbon dioxide indicators for medical purposes, patient breathing system comprising a breathing circuit, connections to patient, ventilator, and fresh gas delivery circuit for medical purposes; receiver tanks being integral components for medical air systems primarily comprised of air filters for filtering air for medical purposes; medical air filters, namely, air filters for air compressors, gas generators; medical air regulators, namely, control systems for quality and functional control of medical air and gas systems primarily comprised of air filters for medical ventilators, carbon dioxide indicators for medical purposes, patient breathing system comprising a breathing circuit, connections to patient, ventilator, and fresh gas delivery circuit for medical purposes; piping systems for medical gas primarily comprised of therapeutic devices for delivering specifically engineered pressure and gas mixtures for medical benefit, manifolds, manifold control systems, gas hoses, bedhead units, pendants, trunking, gas cabinets, gas valves, gas alarms, pressure controls, gas taps, regulators, gas outlets; medical carbon dioxide monitors; medical dew point monitoring apparatus; medical monitors used to supply medical grade compressed air in healthcare facilities; medical gas distribution systems primarily comprised of therapeutic devices for delivering specifically engineered pressure and gas mixtures for medical benefit, manifolds, digital control systems, gas hoses, bedhead units, pendants, trunking, gas cabinets, gas valves, gas alarms, pressure controls, gas taps, regulators, gas outlets; medical gas outlets, namely, therapeutic devices for delivering specifically engineered pressure and gas mixtures for medical benefit; medical gas alarms for patient monitoring; medical gas valves for distributing medical gases; valves for regulating gas in medical appliances being integral components of medical air systems; medical valve boxes being integral components of medical air systems primarily comprised of air filters for medical ventilators; manifolds for medical gas being integral components of medical control systems primarily comprised of air filters for medical ventilators; manifolds and hoses being integral components of medical gas distribution system for controlling, monitoring and distributing medical gases in healthcare facilities; medical vacuum pumps; medical vacuum filters for purification purposes; air and vacuum filters for medical purposes for air compressors and vacuum systems; control panels being integral components of laboratory vacuum system for use in supplying a suction source throughout healthcare facilities; air receiver tanks being integral components of medical ventilator tubing and tubing connectors for use in supplying a suction source throughout healthcare facilities; medical oxygen concentrator; medical oxygen buffer vessel, namely, for medical oxygen concentrators and generators; medical oxygen filters; gas hoses being integral components for use in medical appliances, namely, medical oxygen concentrators and generators; medical ceiling columns, namely, ceiling service units specially adapted for mounting medical apparatus for feeding electricity to medical apparatus and for supplying signals and or liquids and or gases to and transferring signals and or liquids and or gases from medical apparatus; medical ceiling mounted booms comprised of multiple articulating arms for use in the precise positioning of medical utilities for use in healthcare facilities; modular wall units being an integral component of medical oxygen concentrators or generators for distributing medical gas; medical pre-fabricated trunking and headwall assemblies primarily comprised of medical oxygen concentrators and generators; medical gas outlets; medical area valve service units (AVSU)