Compatible with Walgreens 890-WGN, 890WGN, LEV320, HF212-UL Cool Mist Humidifier, part W889-WGN Replacement;
Improves efficiency of the humidifier, eliminates minerals and impurities from the water, providing clean, fresh moisture.
Replace filter every 4-6 weeks, depending on usage and hardness of water.
The filter material is reinforced for maximum efficiency and a longer filter life. It is recommended that the humidifier wicking filter be flipped regularly for the very best result.