Replacement Humidifier Wicking Filter: Replacement for Part # MD1-0034 Compatible with Vornado Evaporative Humidifier EV100 (HU1-0048-43) EV200 (HU1-0052-43) Compatible with Vornado Evaporative Humidifier EVDC300 (HU1-0049-43) EVDC500 (HU1-0050-43) EVDC505 (HU1-0086-43) Compatible with Vornado Evaporative Humidifier Evap2 (HU1-0029-06) Evap40 (HU1-0045-65) (NOT for Evap3) Features: Wick filter type. Improves efficiency of the humidifier Honeycomb pad design, allows for maximum absorption of water for optimum moisture output. Capture impurities in water, such as mineral deposits. This humidifier filter effectively trap impurities, it allows a smooth, cool and invisible mist to permeate your home’s air. Maintain healthy indoor air quality. Maintain a pleasant indoor air quality with this Humidifier Filter. Easy to install and keeps your home well-humidified, comfortable and healthy with a new humidifier filter. Optimized Filter for maximizes moisture output, change your filter if it is hard, crusty or brittle, it develops an odor or the moisture output has decreased. Replace air filter 3 month or more often depending on your humidifier air filter quality and use to ensure peak performance of your humidifier. Top Benefits Of Humidifier Filters: Long Lasting Reliability and Durability Easy To Install, Save Money Better Air Quality Healthier Living Package Included: 2 x Humidifier Filter Note: This is Non original aftermarket Replacement Parts, please check the size and the pistures carefully for compatibility before ordering it.