1ST STAGE • DFC LP PORT FOR HIGH AIR FLOW AT ANY DEPTH • AST - AUTO SEALING TECHNOLOGY FOR A DRY FIRST STAGE • PRE-ORIENTED LP AND HP PORTS • THE MOST COMPACT AND LIGHTWEIGHT MARES DIAPHRAGM 1ST STAGE • PEARL CHROME FINISH

2ND STAGE • ALL METAL TECHNOLOGY FOR BETTER PERFORMANCE, EVEN IN COLD WATER • EXTREME COLD WATER USE • VAD SYSTEM FOR NATURAL BREATHING AT ANY DEPTH • HIGH AIR FLOW • WIDE, PIVOTING PURGE BUTTON WHICH IS EASY TO USE, EVEN WITH THICK GLOVES • LIGHTWEIGHT SUPERFLEX HOSE TO ENSURE COMFORT DURING USE