Patent attributes
A container has a body having a receiving space therein and a first opening and a second opening at opposite sides of the receiving space. The first opening has a diameter smaller than that of the second opening. A first cap is detachably secured to the body to close the first opening. On an interior side of the first cap has a first inner threaded section, a pad, which is made of a soft material for waterproof, a disk having a post and an aperture and a second inner threaded section. A filter cup is detachably mounted in the received space of the body adjacent to the second opening. The filter cup has an opening facing the second opening of the body and a protrusion on an exterior surface thereof to position the filter cup at the second opening of the body.
