CARBTROL manufactures Long Life Activated Carbon Adsorbers for both liquid and vapor phase applications. Our drum-size canister adsorbers are constructed of epoxy-lined carbon steel for strength and durability. We also offer an HDPE Corrosion Resistant option. Carbtrol Activated Carbon Canisters are an excellent choice for the removal of Hydrogen Sulfide (H2S), Hydrocarbons and Volatile Organic Compounds (VOCs) as well as other contaminants.