Replacement Filter, Compatible with MA-40 Air Purifier. 3-in-1, H13 True HEPA Filter, Compatible with Medify Air Air Purifier.

["EXTENDED FILTER LIFE & COST-EFFICIENCY: Our long-lasting filters deliver up to 3,000 hours or 4-5 months of continuous, high-quality air circulation. With fewer filter changes needed, enjoy cost savings and a healthier, cleaner home environment.","EFFORTLESS FILTER REPLACEMENT: Our user-friendly design ensures a hassle-free filter change. Keep every room in your home, school, or office filled with fresh air circulation. Regularly updated filters help maintain optimal performance.","SUPERIOR TRUE HEPA H14 DESIGN: Our advanced HEPA H14 filters feature precision engineering for particles as small as 0.1 microns. Three-layer filtration system with enhanced air circulation performance—better than HEPA H11.","3-STAGE DESIGN PROCESS: The MA-40 boasts a three-layer system—pre-filter for large particles, HEPA H14 for microscopic filtration, and activated carbon layer. Ideal for maintaining clean air circulation in your space."]