The 2 Pack Air Filter Replacement for TOPPIN Air Purifier TPAP002 is a set of blue HEPA-Type filters designed to last 6 months. Made with microfiber filter media, these filters are energy-efficient with an Energy Star compliant design. The product dimensions of 5.2x5.2x4.5 inches make it suitable for TOPPIN air purifiers, providing clean and fresh air for indoor spaces. The filter pack includes two filters, ensuring a continuous supply for maintaining optimal air quality in your home. Manufactured by TOPPIN in the United States, these filters are a reliable choice for improving indoor air quality.