FeaturesFits Duracraft™ Natural Cool MoistureTM Humidifier models DH831, DH4C, DH8000, DH8002, DH8003, DH8004, DH8005, DH813, DH4C and DH83.Measures approximately 7.75" x 9.5" x 1.75".Patented rigid support long lasting design.For optimum performance,...