SMITH FLOWMETER REGULATOR H2051-580 ARGON HELIUM CO2 ARGON/CO2 MIX. IT IS NEW UNUSED BUT I HAVE HAD IT FOR A COUPLE OF YEARS AND PACKAGE HAS YELLOWING AND IS CRACKED A LITTLE BIT BUT ITEM IS UNDAMAGED .THIS IS WHAT IT SAYS ON THE PACKAGE: TRIPLE SCALE MEASURES ,ARGON, HELIUM,CO2 AND ARGON/CO2 MIX. SHATTER RESISTANT POLYCARBONATE FLOW TUBE. HIGH VISIBILITY RED FLOW BALL. PRECISION FLOW ADJUSTMENT LOCKS AT DESIRED SETTING. PROTECTIVE INLET FILTER GUARDS AGAINST IMPURITIES.
MADE IN THE USA NO CHINA JUNK!!!!
