Compact Carbon CanisterCarbon canister systems utilize an engineered charcoal canister to reduce hydrocarbons entering the atmosphere. Other components of a carbon canister system are designed to ensure the tank fills to the proper level every time without spit-back or well-back. All Attwood carbon canister systems are designed to ensure liquid fuel or water does not reach the canister and are compatible with Jerry Can and marine nozzle refueling.Features:This is a single pack that contains two Compact Carbon CanistersBrackets OEM InstalledLow permeation shell reduces overall system emissionsCan be mounted in any orientation using brackets providedEPA \/ CARB CertifiedFits a 5\/8\