Replacement compatible with Therapure TPP640 filter.
Engineered to fit Therapure Envion air purifier models TPP640, TPP540, TPP440.
True HEPA filtration removes up to 99.97 percent of airborne particles as small as 0.3 microns including dust, smoke, pollen, pet hair and dander, mold spores and dust mites.
Foam gasket seal for high performance filtration directs air through the filter and keeps air from escaping around the sides.
Contains one (1) replacement filter. Approximate Dimensions: 17.8" x 5.25" x 2.4".