These Ozone Plates also known as purifier plates fits all following air purifier models manufactured by Alpine EcoQuest Living Air Vollara Healthy Living Spring Air Lightning Air & Natures Air. Fresh Air Classic XL-15 XL-15C XL-15S Breeze Breeze AT Flair 880 Ozone Blaster Eagle 2500 Eagle 5000 Salon Air Size: 4 1/2? x 4 1/2? Clean with water and brush. No soaps no chemicals. Only amonia may be used. Replace annually.