Welcome to Filters Fast Ask the Water Filter Experts. We hope to clear up any questions about water filtration and assist consumers in making informed decisions on the many water filtration choices available. If you have any questions that you would like answered, this is the place to post them. We will open up new topics based on the comments left on this topic, so post away. We will cover any water filtration topic or question regardless of water filter brand, type, or water conditions.