Instruct: Classify Amazon reviews into positive or negative sentiment
Query: lasts about two weeks

the thing is junk. the first week it was awesome; easy to install, and the water came out clear and tasty. the second week it started leaking and while filtering the water, instead of having a steady stream coming out of the thing, it just dripped slowly. so slowly that it took 2.5 minutes to fill a glass with water. the thing sucks.