SRT piston -Sonic Recharge Technology piston - plated aluminum piston that produces an industry leading recharge rate and virtually eliminates reg shoot down
SPA - Shim Pressure Adjustment- change output pressure by adding or removing shims, not springs or pistons
MFV - Mini Fill Valve - Non wrist digging, low profile design fill valve All black tactical look
Brass bonnet
Meets all DOT, CGA and ASTM specifications
Completely rebuildable by the user
Every regulator is hand crafted and factory tested
Super low response curve 0-50 psi from full to empty
Safety
ASTM COMPLIANT bonnet thread
ASTM COMPLIANT DOT burst disc
ASTM COMPLIANT Low pressure burst disk
ASTM COMPLIANT Restrictor, bleed hole and safety groove
Mini Fill Valve IS hardened, plated 5000 psi rated