Coolnut Ceramic Ozone Plates for Washable Air Purifier, 6.5" 4.5" Inches Ozone Plates (3 Pack)

: Ceramic plate with grade metal components and special silicon rubber that does not come off. SIZE: 3 pieces of 6.5" 4.5" Ceramic Ozone Plates Compatibility: Fits Most Standard / Ozone Devices/ OPERATIONAL LONGEVITY: to 2 Years if Correctly Maintained. the Seller is the manufacturer