3 Pack High-quality True HEPA Air Purifier Replacement Filter B for GermGuardian AC4300BPTCA, AC4900CA, AC4825, AC4825DLX, AC4850PT, CDAP4500BCA, CDAP4500WCA and More <br><br> What's Included: Activated carbon filter x 12, true Hepa filter x 3<br><br> Note: These are not GermGuardian OEM product. The brand names and logos are the registered trademarks of their respective owners. Any use of theGermGuardian brand name or model designation for this product is made solely for purposes of demonstrating compatibility.