Features: 1[Applicable Model] Designed specifically for Ridgid VF3500 WD4070 WD4522 WD4050. This filter is easy to replace without the need for any tools. 2[Superior Filtration] The high efficiency particulate air filter is capable of filtering microscopic dust particles, preventing secondary pollution, delivering superior filtration efficiency. 3[Excellent Absorption] The replacement filter has excellent adsorption properties, effectively absorbing and removing odors and harmful substances from the air, ensuring a cleaner and healthier indoor environment. 4[Premium Material] Made from cotton fibers and high performance activated carbon, which is eco friendly, healthy, and provides long lasting filtration performance. 5[Home Health] The air purifier filter efficiently removes particles such as smoke, pollen, dust mites, and pet dander from the air, while also adsorbing harmful odor, helping to guard the health of your family. Specification: Item Type: Air Purifier FilterMaterial: High Efficiency Particulate Air FilterApplicable Model: for Ridgid VF3500 WD4070 WD4522 WD4050Weight: Approx. 352.00g / 12.42oz Package List: 1 x Air Purifier Filter