Ndd Regulators & Wall Adapters Each 2100-4 by ndd Medical Technologies GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Spirometer Accessories Item Description: Regulator, CGA540, 8 mm Quick Disconnect, For Use with (H/K) Cylinder of Oxygen for use with EasyOne Pro� Lab only (DROP SHIP ONLY) Packaging Desc: Regulator Cga540 (Drop) Country of Origin: Harmonized Tariff Code: Product Description: