 This is not an air filter. It's not loud. You don't have to buy the filters every year. It is an air cleanser, air purifier, and it works silently. Do you hear it? You don't. Go to EdenPureDeals.com and enter code Todd3 to save $200 on whole home coverage, three of these devices. EdenPureDeals.com. Use code Todd3 and breathe a breath of fresh air.