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Unifilter Air Filters
The Unifilter 81 humidifier filter pad is the correct replacement for your system. This is constructed with a foam material that delivers the ideal amount of moisture into your air while allowing efficient operation and the ability to maintain the proper level of humidity in your home during those dry seasons. This filter pad has approximate measurements of 7-1/2″ H x 26-1/2″ L x 1″ Thick and should be changed twice each season.