Many pet-hair air purifiers also include carbon filters, with either activated charcoal or carbon, to attract and bind odor particles in your air. They're a great resource for helping inactivate odors and leave your home fresher.
Just because you're an allergy sufferer doesn't mean you should have to give up on the joys of owning a pet. With a pet hair air purifier, you can take steps to mitigate the allergy triggers commonly associated with animals.