For sale: a Porter Instrument Company MXR Model 2000 dual-gauge nitrous oxide/oxygen conscious sedation flowmeter, removed from active service in a dental office.

Included:

• Porter MXR Model 2000 flowmeter (dual flow tubes, 1–10 LPM O₂ and 1–13 LPM N₂O scales, percentage-mix dial 0–70%)
• Wall-mount bracket
• O₂ push-button flush valve assembly
• Newer braided N₂O and O₂ supply hoses with DISS-style quick-connect fittings
• Corrugated breathing tubes and connectors
• Several new, sealed Accutron medium-sized nasal hoods
• Assorted fittings, nipples, and mounting hardware shown in photos
• Note - missing one knob but does not affect function of unit

Condition: Pre-owned, removed from a working dental operatory. Flow indicator floats move freely in both tubes. no regulators, tanks, or yokes included. Please review all photos closely as they are part of the description.

Notes: Sale of this item is intended for dental/medical professionals or resellers/technicians for refurbishment. Pulled from active use, shows normal cosmetic wear (see photos). Sold as-is — not tested for calibration/leak-free performance; buyer should inspect/test before returning to medical service. Buyer is responsible for verifying calibration and safe function before clinical use. Per FDA labeling, this device is restricted to use by or on the order of a licensed physician or dentist.

As with all used dental equipment, buyer is responsible for confirming compatibility and proper sterilization/inspection prior to clinical use.