The invention refers to a fuel vapor storage and recovery apparatus comprising a housing (2) defining at least first and second compartments, at least one compartment being filled with an adsorbent material, at least one tank port (5) connectable to a fuel tank vent line, at least one atmospheric vent port (7), an outer housing member (8) defining a first outer compartment (3), an inner housing member defining a second inner compartment (4), the first outer compartment (3) encompassing the second inner compartment (4), wherein the inner housing member (9) is fitted into the outer housing member (8) at one end of the housing (2), such that a wall (13) of the inner housing member (9) engages an inner wall of the outer housing member (8) and wherein the inner housing member (9) and the outer housing member (8) are sealed against each other by means of a closure cap (14).