Lap Snorkel

Fresh air: Pure, Dry oxygen flows in the top & Co2 expels out the bottom
No gurgling: no water comes in the top vents through a one-of-a-kind Membrane system
Lap edition features flip turn adata_1s to prevent water entering tubes
US at (Triathlon) legal (unless otherwise deemed by race director)
Open water swimming for freestyle, breast, butterfly and sdata_1e stroke