PUREBURG 2-Pack Replacement True HEPA Filter Compatible with Wagner Switzerland WA777, 883, 885, 886 Series/LEMARC USA WA777 Air Purifiers Disclaimer: This product is a generic item that is designed to replace the original part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. PUREBURG - Pure Your Breath! We value your satisfaction. If you have any problems using our product, please always contact us.