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" vent hoseSpecifications: Trailerable Vessel Capacity (EPA Rating): 70 GallonNon-Trailerable Vessel Capacity (EPA Rating): 110 GallonTrailerable Vessel Capacity (CARB Rating): 56 GallonNon-Trailerable Vessel Capacity (CARB Rating): 110 Gallon *Compatible with Ethanol blended fuels