Aftermarket Electrolux LUX 9000,GUARDIAN HEPA Filter. Color May Vary. Grey or Blue. This is not a Aerus OEM product and is not covered under any Aerus manufacturer’s warranty. Please check your manufacturer’s warranty with regard to the use of non-Aerus OEM parts. We provides no warranty or guarantee with regard to the product or its compatibility with your Aerus product. The Aerus, GUARDIAN, TURBO, LUX, ELECTROLUX, SIDEKICK brand names and logos are the registered trademarks of their respective owners. Any use of the Aerus brand name or model designation for this product is made solely for purposes of demonstrating compatibility.