Patent ID: 8360740

Claim:
An apparatus, comprising: a housing defining a first cavity, a second cavity and a lumen configured to provide fluid communication between the first cavity and the second cavity, the housing having a first end portion configured to be disposed within a fluid reservoir and a second end portion including a flange configured to be disposed outside of and coupled to the fluid reservoir, a surface of the first end portion of the housing defining a first opening in fluid communication with the first cavity, a surface of the second end portion of the housing defining a second opening in fluid communication with the second cavity, the housing defining a third opening at the first end portion of the housing and a fourth opening at the second end portion of the housing, the third opening and the fourth opening each in fluid communication with the lumen; a pump disposed within the first cavity; a filter disposed within the second cavity; and a cover configured to be removably coupled to the second end portion of the housing about the second opening such that the filter can be removed from the second cavity when the flange is coupled to the fluid reservoir.