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Do not base your order on the picture presented.
Features of the Passy-Muir Low Profile Tracheostomy & Ventilator Swallowing and Speaking Valve:
The PMV® 2000 (clear) (15mm I.D. 23mm O.D.) is lightweight and opens with even less resistance than the original Passy-Muir® Valves. Its clear design and lower profile offers less visibility for the more ambulatory patient, although it can also be used in-line with mechanical ventilators in conjunction with non-disposable, flexible tubing, such as a 22mm silicone adapter.
Eligible for FREE or discounted ground shipping.
Medex SKU: PMU-PMV2000