Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Consumer Guide to Water Filters A guide to help you determine what type of water filter might be right for your home. "Some filters aim to produce clearer, better-tasting water, while others work to remove contaminants that could affect your health." Topics include specific types of filters (activated carbon filter, cation exchange softener, distiller, reverse osmosis filter, ultraviolet disinfection filter), and filter maintenance.  In English and Spanish. From the National Resources Defense Council (NRDC). http://www.nrdc.org/water/drinking/gfilters.asp Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *