Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 722C-125-540-BER-1 - 722C125540BER1 HD-C while 9SG7637-4 is the orderable

while 9SG7637-4 is the orderable SKU used for this listing

and a distinctive aesthetic

Lincoln OEM WIRE DRIVE AND MOTOR ASBLY M21491-2 - 9SM21491-2

TIG Torch Accessories — Spare torch heads

Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 722C-125-540-BER-1 - 722C125540BER1 HD-C while 9SG7637-4 is the orderableHarris Two Stage Ultra High Purity Brass Barstock Regulator Model 722C 125 540 BER 1 722C125540BER1 Model HP722C is a Two Stage Cylinder Regulator in chrome plated brass for constant delivery pressure from full to near empty Cylinder conditions. The Model HP722C is suitable for High Purity gas applications, research sample systems gases, process analyzer gases, gas chromatography, EPA protocol gases, laser gas systems and emission monitoring systems.