2-Pack Filter Compatible with Envion Therapure Air Purifier

® 2-pack Replacement Air Purifier Filter; Replacement Compatible with Envion Therapure Air Purifier High quality and durable air filter replacements, which evidently improve the air quality. Essential For Allergy Sufferers. Easy to install. Replace every 6 to 12 months for optimal performance. : This filter is not washable. Compatible with Original filter; Dimensions approximately: 17.9 x 5.3 x 2.95 inches. 2 weeks replacement warranty!