Procurable Components:

Component	Medical Equivalent	Hardware Equivalent
One-Way Valve	One-Way Valve Respironics Pressure Valve (22 mm) - The CPAP Shop Hudson One-Way Valve (22 mm OD to 22 mm ID) - RC Medical Philips Respironic Universal Inline Pressure Valve (22 mm) - DirectHome Medical Philips Respironic Pressure Valve (22 mm) - CPAP.com One-Way Valve (22 mm OD to 22 mm ID) - QOSINA One-Way Valve (22 mm OD to 22 mm ID) -QOSINA	Check Valve Barbed Check Valves (multiple options) - ISM Air Flow Check Valve (10-32 UNF thread) - McMaster-Carr Check Valves (multiple options) - Nordson Medical Check Valves (multiple options) - QOSINA
Pressure Release Valve	Positive End-Expiratory Pressure (PEEP) Valve Clariti PEEP Valves (multiple options) - Armstrong Medical Disposible PEEP Valve (22 mm) - Teleflex PEEP Valves (30 mm) - Ambu CareFusion AirLife Adjustable PEEP Valves (22 mm) - Health Products For You	Pressure Relief Valve for Air Pressure Relief Valve for Air (1/4" push-to-connect) - McMaster-Carr
Flow Regulation Valve	Medical Flowmeter Chrome Flowmeter (multiple options) - Precision Medical Oxygen Flowmeters (9/16"-18 RH DISS 1240 Outlet Connection) - Tri-Tech Medical	Flow Valves John Guest Polypropylene Ball Valve (1/4" push-to-connect) - Free Drinking Water Precision Flow-Adjustment Valve (1/2" barb) - McMaster-Carr Precision Flow-Adjustment Valve (1/4" barb) - McMaster-Carr Precision Flow-Adjustment Valve (1/8" barb) - McMaster-Carr Flow Control Valve (1/4" NPT female thread) - Grainger
In-Line Flow Meter	Medical Flowmeter Chrome Flowmeter (multiple options) - Precision Medical Oxygen Flowmeters (9/16"-18 RH DISS 1240 Outlet Connection) - Tri-Tech Medical	In-Line Air Flowmeter In-Line Flowmeter (Schedule 40 or 80 pipe) - The Pond Outlet Flowmeter with Acrylic Plastic Body (1/4" NPT male thread) - McMaster-Carr BROOKS Flowmeters (1/8" NPT female thread) - Grainger
Bacterial/Viral Filters	Bacterial/Viral Filters Main Flow Bacterial/Viral Filter (22 mm OD/22 mm ID) - Allegro Medical CareFusion AirLife Disposable Bacteria Filter - 4MD Medical Bacterial/Viral Filters (multiple options) - Teleflex
Respiratory Profile Monitor	Respiratory Profile Monitor Respironics NM3 - Philips
Connectors 15 mm ID to 22 mm OD 22 mm ID	Respiratory Equipment Connectors Multi Adaptor (15mm ID/22 mm OD) - Allegro Medical Hudson Multi Adaptor (15 mm ID/22 mm OD) - Emergency Medical Products Teleflex Universal Standard Cuff Adapter (22 mm ID) - Medical EShop Flexible Silicone Rubber Connector (22 mm ID) - RC Medical Respirometer Soft Plastic Adapter (22mm ID) - RC Medical