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- Thu Sep 21, 2006 12:00 am
- Forum: CPAP and Sleep Apnea Message Board
- Topic: 20 cm h2o means..20 centimeters of water..and that means?
- Replies: 37
- Views: 39691
Hi Folks, Since my website http://www.1728.com is being referenced, I thought I'd mention that it does work perfectly. Specifically this calculator: http://www.1728.com/convpres.htm converts 20 cm of H2O to 0.28447 psi. Some people have mentioned that cm of H2O was not a choice. Actually it is. On t...