I-ST STAGE R4 TEC - EN250A
 
> Small, compact regulator - ideal for cold water diving
> Perfect for decompression stage tanks or single tank configurations
> Extraordinary breathing parameters, which exceed requirements of the newest norm EN250A
 
SPECIFICATION:
- balanced diaphragm
- dry chamber + additional cold kit
- material: maritime bronze
- ports: 2xhp, 4xlp
- maximum operational pressure: 300 bar
 
Best used in configurations:
Stage tank: perfect
Single tank: good
Double tanks: very good
Sidemount: not recommended