Feature:1. Easy to install and easy to replace, a direct replacement for the damaged or broken one.2. Stable and reliable performance, this filter keeps humidifier for better performance.3. This filter has super hydroscopicity and prevent the humidifier is too wet and damaged.4. Especially designed to fit for Philips HU4801 HU4802 HU4803 HU4811 HU4813 humidifier.5. Filter out the tiny dust generated in the cleaning process to reduce the secondary pollution to the air.Specification:Condition: 100% Brand NewItem Type: Filter Material: PlasticColor: WhiteSize: Approx. 15 x 13cm / 5.9 x 5.1inWeight: Approx. 62g / 2.2ozFitment: Fit for Philips HU4801 HU4802 HU4803 HU4811 HU4813Package List:1 x Filter Note:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.