Falcon3 is machined from brass with polished finishing or gun metal finishing which gives you the best corrosion resistance. This piston first stage was designed by diving experts in Italy and made in china at a more economic price. .There are 7 Pressure Ports, 2 HP and 5 LP ports on a swivel cap, for your personally preferred setting. Whether diving a sophisticated rebreather or a simple open water system, you can create a configuration with Falcon3 first stage. Enjoy the smoothest breathing regulator, whether you are on the exploration dives or blue water fun dives. The advantage of a piston-based first stage lies in its reliability and reduced maintenance requirements, due to an effective but simpler mechanism with less moving parts. More importantly, no other design can reach the high air delivery rate of a balanced piston controlled first stage.