Patent ID: 7654507

Claim:
A kit for coupling a container holding a liquid to a fluid path of a humidifier, the kit comprising in combination: a spike configured to pierce the container and to pass the liquid from the container; a tube configured for coupling to the spike, the tube configured to pass the liquid from the spike; and a vent configured to vent gas from the liquid while retaining the liquid, the vent having: a vent body comprising: an inlet configured for coupling to the tube to receive the liquid from the tube; an outlet configured for coupling to the fluid path of the humidifier to pass the liquid to the humidifier; a cap opening positioned to vent the gas, the cap opening in gas flow communication with the outlet when the kit is in use; and a vent passage in fluid flow communication with the inlet, the outlet, and the cap opening; a filter positioned over the cap opening to prevent the escape of the liquid through the cap opening; and a cap coupled to the vent body over the cap opening, the cap having at least one opening therein to allow passage of gas from the opening to atmosphere.