Ensure your Carrier 40MHH Series ductless mini split operates at its best with high-quality replacement filters. Designed for a perfect fit, these filters help maintain optimal airflow and efficiency while capturing dust, allergens, and airborne particles. Compatible Carrier & Bryant Entry Tier Systems 40MHHQ09, 40MHHC09, 40MHHQ09---101, 40MHHQ09---111, 40MHHQ09---301, 40MHHQ09---311, 40MHHC09---101, 40MHHC09---111, 40MHHC09---301, and 40MHHC09---311. Key Benefits Precise Fit for Carrier Systems – Engineered to match the original specifications for seamless installation. Improves Indoor Air Quality – Captures dust, pollen, and other airborne contaminants for a fresher, cleaner home. Enhances System Efficiency – Helps maintain airflow and energy efficiency by preventing buildup in your unit. Long-Lasting Performance – Durable, high-quality materials ensure reliable filtration between cleanings. Maintenance & Care Vacuum every two weeks & wash with mild detergent - allow the filter to dry completely before re-installing. REPLACE every 2 to 3 years, depending on diligent cleaning and your environment. Filter Dimensions 21" x 6-3/4" One (1) filter is included with this offer.