For HAC-504 Series Humidifier Replacement Filter Filter Screen 1/2Pcs Features: Humidity in your home between 40-60% can make the feel warmer & improve your breathing comfort, sleeping, nasal congestion & dry skin. Dry can cause electricity, damage wooden furniture & irritate health issues Easy to install and use.Made of and environmental friendly, for use. Humidifier Replacement Filter: Filter Works For Evaporative Humidifiers In The Hcm-350/Hev355, Hcm-710 & Hcm-315/Hev312 Model Series. Wicking Capture Minerals & Pollutants In The Water In Your Humidifier & Helps White .Fits the following model:HCM-350/HEV355, HCM-710 & HCM-315/HEV312 model series. (Tip: Recommend you 1-3times usage.) , practical and. new and . Product Description: Notice: Please allow 1-2cm error due to manual measurement. P make sure you do not mind before you bid. The colors may have different as the difference display,pls understand. Package Included: 1 x Filter Humidifier For Bedroom Small Humidifier Cool Mist Humidifiers For Bedroom Small Humidifiers For Bedroom Mini Humidifier Warm Mist Humidifier Room Humidifier Travel Humidifier Humidifier Small Baby Humidifier Cute Humidifier Car Humidifier Bedroom Humidifier Desk Humidifier Cool Mist Humidifier