If you share your home with a furry companion, you already know that pets bring comfort, laughter, and loveābut they also bring fur, dander, and a constant film of dust that seems to appear out of nowhere. Whether you have a dog that sheds year-round, a long-haired cat who treats every surface like a grooming station, or a few smaller pets that generate fine dander, keeping indoor air fresh can feel like a never-ending challenge.