With its washable design, this filter minimizes maintenance costs and replacement frequency, an economical and sustainable solution for continuous air filtrations needs Perfect for residential homes and commercial buildings, it can be applied to floor vents in any room to enhances air purification and improve overall indoor air circulation Ideal for allergy sufferers, homeowners, and workers seeking to reduce related discomfort and promote healthier living and working spaces This primary electrostatic filter for floor vents effectively captures skyborne particles using electrostatic technology, providing superior dusts protecting and maintaining freshness indoor air Featuring simple installation, durability cotton materials, and versatile compatibility with various vent sizes, it convenience and Enduring for different environments, Manufacturer: Greabuy