Feature 1 Healthy Environment: Extend the life of your filters. This accessory is the right choice for you. Create a healthy and comfortable environment for those who want to breathe great gas and meet your daily needs. 2 Remove Unpleasant Odors: Filter replacement helps you get 99.97% of suspended matter such as hair, dander, and lint to improve gas quality. And activated carbon filters allow you to remove unpleasant odors. 3 High Strength Structure: Our filter can achieve low wind resistance, high efficiency, low pressure, higher strength and very durable. 4 Easy to Install: Our filter is light in weight and easy to install, just follow the normal process and you can install it successfully. 5 Applicable Models: This filter is suitable for GermGuardian AC5900WCA, for AC5900WDLX, if you happen to have related needs then this one is suitable for you.Item Type: Air Purifier Filter SetMaterial: Cotton, High Efficiency Particulate Air Package List1 x High Efficiency Particulate Air Filter(With 1 Filter Cotton)1 x Filter Cotton