The Drierite Laboratory Air and Gas Drying unit is an all-purpose drier. This unit is suitable for most laboratory applications. It will dry air to a dew point of -100° F at atmospheric pressure or pressures up to 100 psig. A simple connection to the bottom inlet of the dryer provides an immediate flow of dry air or gas. This unit is also available with plastic hose barbs (Stock No. 26800) or 1/8 inch SS Male Tube Fittings (Stock# 27070) . Note: Do not use this plastic column in the presence of vapors or liquids containing phosphate esters, synthetic lubricants, hydrocarbon solvents, methanol, acetone, lacquer solvents, or other organics.