Abstract: A container may include a generally hollow body configured for holding a liquid and including a spout. A spout cap may be configured for removable engagement with the spout. The spout cap may include an inner boss and an outer boss in fluid communication with the inner boss. The inner boss may include an annular skirt disposed within an interior space of the spout cap. The outer boss may be configured to receive a connector of a hose assembly. A filter may have a connecting portion configured for removable insertion into the inner boss. The filter and the spout cap may form a fluid flow path from the body through the spout. Related filters, hose assemblies, and kits are also described.