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, durable 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 durable. 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 Household Essentials:Replacement Filter for Honeywell HAC-504 Series Humidifier 1pc A Improve Efficiency:With these gadgets, you can quickly complete some complex tasks, such as cleaning up clutter, repairing furniture, etc., greatly improving work efficiency Reduced Labor Intensity:These tools can reduce the labor intensity of people, making it easier and more comfortable to complete tasks Ensuring Safety:Some tools can reduce the risk of the labor process and enhance safety and security Enhancement of the Labor Force:Tools can enhance the human labor force by extending human physical or mental strength, allowing people to perform more complex and delicate tasks