1. A lid for attachment to a container holding a liquid for use with a liquid spraying device, the lid comprising:a lid body defining an exterior surface and an interior surface;
an adapter extending from the exterior surface of the lid body and configured to releasably couple with the liquid spraying device, the adapter defining a liquid conduit extending through the lid body;
a vent duct defining an vent conduit extending through the lid body, the vent duct including a duct inlet end extending from the exterior surface of the lid body and a duct outlet end extending from the interior surface of the lid body;
a valve disposed in the vent duct and configured to permit air flow in a first direction, from the duct inlet end to the duct outlet end, while preventing liquid flow in a second direction opposite the first direction;
a cap extending over the duct inlet end, the cap including a cap interior surface defining an interior air chamber, communicating with the vent conduit, and at least a first passage, communicating between the interior air chamber and a first cap inlet; and
a tube coupled to the duct outlet end.