Purifier allows a maximum flow rate of 300 liters/hour and a maximum working pressure of 100 psi. Absorbs up to 25 g of moisture. Acrylic column has two halves—one half is filled with 250 ml of indicating Drierite desiccant, which produces a terminal dryness of 0.005 mg/liter. The other half is filled with 250 ml of 5 Å molecular sieves to remove trace impurities. Purifier measures 11-3/8"L x 2-5/8" dia and has an anodized aluminum cap, 303 stainless steel desiccant supports and coil springs, and an O-ring gasket. Inlet/outlet ports are 316 stainless steel; 1/8" threaded male connections.