Passive Thermal Desorption Tube for Benzene 3.5 x 0.25in OD deactivated stainless steel tubes filled with pre-conditioned Carbopack X, diffusion caps, brass Swagelok screw caps w/PTFE ferrules, 10Pk

For continuous monitoring of benzene at refinery fenceline locations using EPA Method 325. May be used also for other VOCs of concern, including HAPs. See Technical Note: Validated Uptake Rates for Benzene and Other VOCs Using the SKC Passive TD Tube (PDF)