Patent ID: 7449106

Claim:
A fluid filtration system, comprising: a housing having first, second and third openings formed therein; a cap removably and sealably attached to said first opening; a first tube sealably coupled to said second opening, said first tube extending to a free end thereof; a second tube sealably coupled to said third opening, said second tube extending to a free end thereof; a one-way check valve fitted in said first tube, said check valve prohibiting movement of fluent material therethrough towards said second opening; and a filter assembly fitted in said housing and, in combination with said housing, defines a first chamber accessible via said third opening and a second chamber accessible via said second opening and sealed by said cap wherein, when a fluid to be filtered is present at said free end of said second tube and suction is applied to said second opening via said free end of said first tube, fluid is (i) drawn into said first chamber, (ii) through said filter assembly, (iii) into said second chamber, and (iv) to said second opening.