High Capacity Hydrocarbon Trap contains: 750 cc of preconditioned activated charcoal, Stainless steel body, ¼” brass compression fittngs with ferrules for installation, Maximum pressure 200 psi, Recommended ow rate up to 2 L per minute, Will remove hydrocarbon impurities (50 ppm or less) from inert gases, nitrogen and hydrogen at room temperature to low ppb range, Capacity of 67 g of hydrocarbons C5 and heavier, 10 µ stainless steel porous frits protect gas stream from particulates, and Individually helium leak tested. Shipped lled wth helium.