Airgas Model 211C540 Chrome-Plated Brass High Purity Two Stage Regulator With CGA-540 Connection Safety Signage Cortina 03-500-80 Pop-up Economy Cone

Cortina 03-500-80 Pop-up Economy Cone 28" Orange 2# 6"/4" Collars w/light  (10 pack)

These regulators are recommended for use on low-pressure pipelines serving gas chromatographs

Cortina 03-730 EZ Grab Post Recycled Square Rubber Base - 10 lbs

Nickel-plating keeps it looking good for a long time

Airgas Model 211C540 Chrome-Plated Brass High Purity Two Stage Regulator With CGA-540 Connection Safety Signage Cortina 03-500-80 Pop-up Economy ConeChrome plated regulators are designed for high purity laboratory applications involving noncorrosive gases. Two stage design is recommended for use where constant delivery pressure is desired.