【With Pressure Gauge】: The scuba diving valve with pressure gauge, you can check the amount of gas in the bottle to provide you with more convenience, with a light-emitting function, still clear at 80 meters underwater. 【Double Filtered Gas】: The scuba diving valve with one-way inflatable filter, double filtered gas for breathing pure oxygen. And the double-filtered gas is filtered at 0.03 microns at a time. 【Premium Quality】: This brand new scuba diving valve is made of high quality stainless steel, aluminum alloy and silicone material, which is waterproof, corrosion-resistant, pressure-resistant and It is not easy to break, has quality and long service life. 【Safe to Use】: The scuba diving valve with external explosion-proof valve, explosion-proof index is more accurate, and it is easy to replace, which brings you more convenience. Constant pressure, airflow output, explosion-proof safety accuracy can reach the industry-leading level, providing you with more safety for diving. 【Top Pressure Relief Valve】: The scuba diving valve with top pressure relief valve, which can relieve the pressure downward to release the gas in the bottle (after entering the water and biting for inhalation, please pay attention to the pressure relief, and then gently press the pressure relief to drain)., Manufacturer: Keenso