False claims on Chlorine Taste/Smell

We purchased the large one with the pour spout. Followed the directions and filled. After the 3rd fill the chlorine smell and taste were present. We always run our water for a while before filling to rid all that sits in the pipes. The claims that they last 2 months are far from true and removing the chlorine taste and smell only lasts for 2 fills not 2 months. Afraid we wasted our money on the pitcher and the filters. Replacing that frequently may be better to by a water cooler.