Airgas Model 211C540 Chrome-Plated Brass High Purity Two Stage Regulator With CGA-540 Connection Safety Signage Regulators are adjusted easily by

Regulators are adjusted easily by removing the knurled nut and turning the screw to alter the tension on the diaphragm

Meets all MUTCD and ITE specifications in 12 volt configuration

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 Regulators are adjusted easily byChrome 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.