Attwood Compact Carbon CanisterAttwood Compact Carbon Canister helps reduce hydrocarbon emissions from marine fueling by using an engineered charcoal canister. This compact dual pack is designed to keep fuels from venting harmful vapors and to ensure tank fills occur correctly without spit back or well back. The system is compatible with Jerry Can and marine nozzle refueling, and is built to prevent liquid fuel or water from reaching the canister. Two compact carbon canisters per