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. 2020 Sep 15;2(9):e0198. doi: 10.1097/CCE.0000000000000198

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Copyright © 2020 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of the Society of Critical Care Medicine.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Figure 3. — Adjustable inline positive end-expiratory pressure (PEEP) valve examples. From left to right: A, 3D printed PEEP valve (inline PANDApeep Gen2 inline) (8), B, PEEP valve collar (collar adapter) (9), C, PEEP valve enclosure (simple polyvinyl chloride enclosure) (10), D, 3D printed enclosure (PANDAcase bottle) (11).