General description Excellent replacement for Blue Pure 411 and 411+ Mini air purifiers. This HEPA filter effectively captures ultra-thin air particles, including pollen and pet dander, ensuring a cleaner and healthier indoor environment. Technical specifications Removes 99.97% of allergens and contaminants Color: White & Black Material: Filter paper Package Contents: 3 air purifier filters Measurement allowed error: +/- 1-3 cm Installation Easy installation for hassle-free replacement Usage Effectively captures odors and harmful toxins, such as paint evaporation Ideal for year-round cleaning and air circulation Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.