#1376
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Per the Cressi website: cressisubusa.com/Catalogue/Details.asp?id=72
They don’t give numbers but rate it a 7.5 out of 10 for cold water usage.
When you say "cold water dives" what do you mean exactly? My current regulator isn’t sealed either and I regularly dive in water temps in the low 50’s - high 40’s and have never had a problem. Most of my dives are on Nitrox and run in 25-45 minute time frame as a reference.
If you’re going colder, or staying longer, it might be an issue.
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