Review on Panzexin Swim Snorkel: Advanced One-Way Purge Valve for Lap Swimming and Snorkeling Training by Thasapon Bowers

I ordered my TangyueW swim snorkel with one-way flush valve, swim snorkel with lap snorkel, front training device with comfortable silicone mouthpiece ("snorkel") from Revain.com. I use the snorkel during my swim training. The tube is very convenient - it is applicable to the mouthpiece, head holder and seal. There is no problem with the hose valve (i.e. no leaks at all). The only thing I noticed is that the hose needs to be placed EXACTLY in the middle of the head so it doesn't slide left/right when turning in the pool. Overall I am very satisfied and would definitely recommend the snorkel.