The easy to use and install TIER1-GAC-BB filter is just for you, if you have issues with water that tastes bad or tastes like chlorine. The Big Blue sized filter measuring in at 10 x 4.5 inches has a greater sized diameter helping, with flow rate, and overall filtration surface area. Simply replace this filter once every six months or 12,000 gallons whichever comes first, depending on your water filtration usage. The granular activated carbon (GAC) works hard to get your water in pristine condition. As compared to other aftermarket brands the Tier1 version, get's closest to the job of the OEM Pentek brand. Don't delay in the purchase of this affordably priced filter option!
