WaterChef® RCSF-7 Shower Filter Replacement Cartridges， 2-PACK (for SF-7C Shower Systems)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Includes TWO (2) WaterChef Shower Filter Replacement Cartridges </span></li><li><span class="a-list-item"> Powerful 2-Stage Filtration with ThermalGuard for Superior Chlorine Reduction </span></li><li><span class="a-list-item"> Independently Tested &amp; Certified by NSF International， Trusted Performance </span></li><li><span class="a-list-item"> Low Cost per Shower - NSF Certified Capacity of 20，000 GALLONS per 2-Pack! </span></li><li><span class="a-list-item"> Quick &amp; Easy Cartridge Replacement (includes Cartridge Change Reminder Decals) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41kuvhtU3LL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51yuX0xYeOL.jpg" noproxy>