Aeris Snorkeling Bag "snorkel tube work" Questions

...tube snorkel and it's because there is nothing to go wrong. I personally do use a self-draining snorkel but I'm careful to inspect and clean the valve before and after every use and always have a ...

tube. If, as often happens, the snorkel gets water in it, there is a trap at the bottom that catches it so you don't **** it into your lungs and on the next exhale you do so forcefully and this expels