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Used PURITAN BENNETT 840 ventilator exhalation valve part number 4 076 461-00 C Ventilator For Sale - DOTmed Listing #3254998:
Exhalation Valve, w/Drip Cap, Left Plugged, Right 22mm OD, Diaphragm Cap 1/8in ID, Drip Cap 22mm OD | Tri-anim
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Puritan Bennett Exhalation Valve Pn 4-076461-00 For Pb840 Ventlator Expiratory Valve - Accessories - AliExpress
![Figure 1 from The impact of imposed expiratory resistance in neonatal mechanical ventilation: a laboratory evaluation. | Semantic Scholar Figure 1 from The impact of imposed expiratory resistance in neonatal mechanical ventilation: a laboratory evaluation. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/bea81a5f22dd2f9ccdc13f883718d08196bb0d8e/3-Figure1-1.png)