Compatible with: Electrolux EL4300A UltraActiveTM, EL4101A Ergospace Green. HQRP filter can eliminate separate particles of Embryos, Tobacco smoke, Smoke of metal oxide, Swirl on th carrying particles, Carbon black, Oil smoke, Bacterium, Spore, Cement dust, Particles creating stain or dust sedimentation, Pollen, Fog, etc.WARNING for California residents pursuant to CA Proposition 65: This product may expose you to chemicals known to the State of California to cause: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov Disclaimer:This is not an original OEM product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility. More Information brand HQRP upc 887774349692