Answer: The standard “adult” version of this cannula already uses “crush‑resistant” tubing, meaning the tubing is designed to resist kinking or collapsing under pressure. If you want even more robust tubing (larger bore, more durable for home oxygen concentrator or long‑term use), then you can check here: https://www.healthproductsforyou.com/p-salter-labs-adult-high-flow-clear-cannula-with-enhanced-reservoir-facepiece.html
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