Airgas Model 211C540 Chrome-Plated Brass High Purity Two Stage Regulator With CGA-540 Connection Safety Signage while the encapsulated filter assembly

while the encapsulated filter assembly protects the valve seats and extends operating service life

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

and hot or flammable liquids

They are equipped with a CGA-180 connection for easy attachment to Airgas® lecture bottles

Airgas Model 211C540 Chrome-Plated Brass High Purity Two Stage Regulator With CGA-540 Connection Safety Signage while the encapsulated filter assemblyChrome 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.