FreshAir snorkel

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I've been thinking about the concept, and it is possible that the inhalation tube would not flood, if the snorkel remained upright during the dive. Water pressure would compress the air in the tube during the dive, but it would again expand as one ascended. But, to accomplish that, a diver would need to keep his or her head oriented just right, which most of us would not do. Interesting concept though.

SeaRat
 
We used to sell them a few years ago. After quite a few complaints from customers across a wide variety of reasons we stopped carrying them. There are lots of other snorkels out there. Look at a nice 100% dry that has a purge and a flex...
 
123Scuba.com:
We used to sell them a few years ago. After quite a few complaints from customers across a wide variety of reasons we stopped carrying them. There are lots of other snorkels out there. Look at a nice 100% dry that has a purge and a flex...
Interesting customer view point.

Actually, reducing the size of the inhale portion by 1/2 would increase resistance by 4 times.

The other one is that the use your average 130 lb person, breathing in a relaxed state... no comment about what happens when a 165 lb person is breathing harder...
 

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