SEAC PX100 is characterized by a simple piston first stage with a high pressure port and 4 low pressure ports. The second stage is a simple and functional design. It's large diaphragm always ensures natural ease of breathing. It is possible to adjust the Venturi effect (Dive / Pre Dive) with a simple switch. SEAC PX100 is also optimal for colder waters (<10 ° C / <50F °) and complies with all the provisions of the CE EN 250-2014 standard. M 3/8 "" hose with braided lining. All components are Made in Italy. "