Breathe fresh and cleaner air GermGuardian genuine true HEPA air purifier filters with anti-microbial PetPure treatment reduces unwanted odors and traps allergens to deliver refreshing air to your home. Why use genuine GermGuardian filter replacements Your purifier is only as powerful and effective as the filter you put inside, and our Genuine GermGuardian replacement parts are essential for maintaining product performance. Each filter or bulb is designed specifically for a particular unit style. Not only will genuine replacement parts fit like a glove, but they also have the combination technology to match so that you can get the most out of your air purifier. Dimensions 1.29 x 4.76 x 15.77 in.