True HEPA Air Cleaner Filter Replacement TPP440F Compatible with Therapure Envion TPP440, TPP540, TPP640 Air Cleaners by LifeSupplyUSA

FEATURES

• Replacement True HEPA filter 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"