Inline filters feature great contaminant reduction coupled with easy installation and functionality. These filters come in a variety of different connection options and sizes allowing you to find the perfect inline filter for your particular needs. Tier1 also offers a variety of different micron rating filters ranging from .5 to 30 microns. Inline filters can be used as replacements in certain RO systems or for various fridge models as well. Enjoy clear refreshing water with your replacement inline filter today.