The LEVOIT Air Purifier HEPA Replacement Filter in White is designed to last for 6 months and utilizes advanced filtration technologies such as activated charcoal, true HEPA, and activated carbon. This roll filter is specifically made for air purifiers and includes a pre-filter, carbon filter, and zeolite for added purification power. With a sleek white design and manufactured in 2021, this filter provides clean and fresh air for your home or office space.