What's the difference between semi dry and fully dry and wet breathing tubes?
Semi dry:Is there a valve in front of the mouthpiece, prevents water from entering the mouth, but there are still water,Breathing a little resistance, but in diving beyond the depth of the respiratory tube, to avoid water directly into the mouth,It's the easiest device for beginners to get started with
Wet type:Is actually a tube with a mouthpiece, when the water must swim the water ejected out,This type of simple breathing tube has no difficulty in swimming skills and learning snorkeling,But for beginners, it is very possible not to breath the pipe water spray clean and choke water
Fully dry:In front of the pipe, there is a valve that does not come out, so that the pipe is not floodedTo better the breathing tube in the pipe above the inlet part is additionally provided with a one-way air inlet valve, we call it dry breathing tube, because of the one-way valve, even if the entire root pipe in the water, not water. However, many components, the resistance of inspiration is of course a bit too large. Float valve at the top of the water will be submerged, once the breathing tube floating valve will be closed because of buoyancy nozzle, prevent water.
