This is hands-down, the best air purifier I’ve ever purchased. I love that you never need to buy a new filter and it is oxy peer zero waste. You just rinse out the filters and reuse them. It comes with six different filters and can purifier home of allergens smoke dust pollen it works so good for our home in Arizona. A must have if you or your dog suffers from allergies like we do! LTKHome LTKVideo LTKCyberWeek