20 x 4.5 Inch Carbon Whole House Filter C2-02 Fits IHS12-D4 and IHS22-D4 Systems</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Genuine OEM product</li><li>Reduces chlorine taste and odor in your water down to 10 micron</li><li>Filter media constructed from renewable coconut shell</li><li>Replace every 3 months</li><li>Fits most 20 x 4.5-inch filter housings including the Viqua IHS12-D4 and IHS22-D4 water disinfection systems</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31icp351iHL.jpg' noproxy></br>