【Gas storage tank breathing tube】:Breathing tube with an air reservoir with a length of up to 32ft and a reservoir capacity of 4L, increasing the storage capacity of air
【Material of the hose】: The material of the spring tube is PU, is a wrap-around breathing tube, more solid, more resistant to pressure, light weight, easy to carry.
【Food Grade Bits】Secondary regulator Using food-grade silicone bite, and breathing valve connection twist tight to prevent air leakage Top with pressure relief valve, you can lightly press the pressure relief drain when you are ready to breathe after the water surface bite Medium pressure pipe sheath, prevent the medium pressure pipe breakage safe and durable