This Vornado MD1-0018 replacement filter is specially designed for ultrasonic humidifiers. It is a brand new, unopened item that is compatible with Vornado humidifiers. The filter is black in color and is intended for indoor air quality and fans.

This replacement filter is ideal for those who want to maintain high-quality indoor air without worrying about the condition of their humidifier. The Vornado MD1-0018 filter will ensure that the air in your home is clean and fresh, without any unwanted mineral buildup. Get this replacement filter today and enjoy better indoor air quality.