Product Review

This is a 4-pack of Carbon Activated Pre-Filters Designed to fit the GermGuardian FLT4100 True HEPA Replacement Filter for AC4100 Series, Filter E. Filters made from premium BulkFilter Brand carbon activated material. This is not a GermGuardian OEM product and is not covered under any GermGuardian manufacturer's warranty. The GermGuardian brand names and logos are the registered trademarks of their respective owners. Any use of the GermGuardian brand name or model designation for this product is made solely for purposes of demonstrating compatibility.