Nispira True Hepa Filter Compatible With Envion Allergy Pro Ap450 Air Purifier Part Ap450f. 2 Pack

Nispira HEPA filter replacement compatible with Envion Allergy Pro AP450 Air Purifier. Compared to part AP450F (NOT for Whirlpool AP450. This is for Envion Allergy Pro AP450). 2 sets included. Approximate dimension 17.88" x 11.63" x 1.31". Suggest to replace every 6 months for optimal performance