MADE IN THE USA!!!
    * 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 or optional Aluminum bonnet - see regulator parts for details
    * Meets all DOT, CGA and ASTM specifications
    * Completely rebuildable by the end 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