This replacement filter is designed for Vevor square air purifiers and features a 3-in-1 filtration system for cleaner indoor air. Its H13-grade filter captures fine particles while the pre-filter helps trap hair and dust, and the activated carbon layer helps reduce odors and harmful gases. The lightweight design makes installation and handling simple. It is suitable for use in bedrooms, living rooms, nurseries, offices, and other indoor spaces. Built with durable materials, it is made for long-lasting everyday air purification.