Ist Stage regulator 

Item #AS-105-DIN -ICE-CS(chrome finished)

BALANCED DIAPHRAGM, allow ICE Diving , 
Balanced diaphragm design delivers superior
breathing performance even at increased depths.
Made with corrosion resistant marine brass,
white or black chrome plated finish.
Superior and reliable performance to meet with
technical diver rquirement as well as the
demanding needs of the Cold Water diver.
Ventilation rate ( air supply / 3000 psi ) : 135 SCFM
Intermediate pressure: 135-145 psi. ( 9.5-10.2 bar )
High pressure port: ( 7/16"-20 UNF ) x 2
Low pressure port: ( 3/8"-24 UNF ) x 5
Weight:800g