Nispira True HEPA Replacement Filter Set for Panasonic Air Purifiers – HEPA + Activated Carbon 5000 gallon filter Compatible with:Winix T810Winix T820Winix T830 Item Package Quantity:2 Compatible with:Winix T810Winix T820Winix T830 Specification Details Brand Nispira Product Type Replacement Filter Cartridge Compatible With Smoke Trap+ Personal Smoke Filter Device Filter Media Activated Carbon Filter Construction Layered Pre Filter Protective Pre Filter Layer Installation Easy Cartridge Replacement Product Classification Aftermarket Replacement Filter OEM Status Not an OEM Product This Nispira True HEPA and Activated Carbon Replacement Filter Set is designed for use with compatible Panasonic air purifier models and provides a practical solution for routine filter replacement and ongoing system maintenance The True HEPA filter is designed to help manage fine airborne particles commonly found in indoor environments