True HEPA Air Cleaner Filter Replacement TPP440F Compatible with Therapure Envion TPP440, TPP540, TPP640 Air Cleaners by LifeSupplyUSA (2-Pack)

FEATURES

• 2 Replacement True HEPA filters comparable to Therapure TPP440F. Designed to fit Therapure Envion air cleaner models TPP440, TPP540, and TPP640. Includes foam gasket seal to help direct air through filter and keep it from escaping, assisting HEPA filtration process in efficiently capturing/trapping airborne particles. For optimal efficiency, it is recommended replacing every 6 months (dependent on air quality and use). Approx. Dimensions: 17.63" x 5.38" x 3".