A dispensing head for an air pump includes a sleeve connected to the air pump and a chamber is defined in an end of the sleeve. The end having the chamber of the sleeve is received in a housing and a mount piece is securely received in the housing. A first seal ring is mounted to the mount piece and in contact with an inner periphery of the chamber. The mount piece includes a plurality of inner threads defined axially in a central passage in the mount piece, so that the threaded section of a French valve is threadedly connected to the inner threads. A second groove is defined in the mount piece and a second seal ring is engaged with the second groove. The second seal ring is mounted to a neck of the French valve.