The Guardian Technologies FLT5111 has been discontinued. For a suitable replacement try the Germ Guardian FLT5000.
The Guardian FLT5111 True HEPA Filter C - 2-Pack is a replacement air filter that can be used interchangeably with air purifies using the Guardian FLT5000 filter. This air purifier replacement filter has a pre-filter that captures large dust particles, a True HEPA filter that captures 99.99% of airborne particles (including dust mites, debris, mold spores, pollen, and pet dander), and a Photocatalyst + Charcoal filter that fights odors and prevents the growth of bacteria, germs, and mold.
Guardian FLT5111 True HEPA Filter C - 2-Pack specifications: