1、Applications: This filter with part number of FLT4100, Filter E, FLT11CB4, is specifically designed to fit for AC4100, AC4100CA, AC4150BL, AC4150PCA, AC4150PC air purifiers. 2、Superior Adsorption: The AAA activated carbon filter boasts exceptional adsorption capabilities, effectively trapping and removing odors and harmful substances from the air, guarantees an improved air quality. 3、Environmentally Friendly and Durable: The air purifier filter is made of excellent cotton fibers and activated carbon, making it an environment friendly and durable option. 4、Effective Filtering: The filter assists air purifier to effectively eradicate particulates such as dust, pollen, mite, pet dander, etc., in the air, while also absorbing harmful gases. This ensures you a safer and cleaner home environment which is of paramount importance for your family's health. 5、Easy to Replace: With a well crafted design, the filter is extremely easy to replace, negating the need for any tools. This hassle free feature allows for convenient and prompt replacement, ensuring that the air your family breathes is consistently safe and clean. Item Type: Air Purifier Filter Material: Activated Carbon Cotton Weight: Approx. 150.00g/5.29oz Part Number: FLT4100, Filter E, FLT11CB4 Applications: Suitable for AC4100, AC4100CA, AC4150BL, AC4150PCA, AC4150PC 1 x Filter 1 x Activated Carbon Cotton