AprilAire A14251 14x25x1 TriPure 1-Inch Filter

• UP TO 6-MONTH FILTER LIFE – Change the air filter 14x25x1 only twice per year with the up to 6-month filter life and achieve 50% reduction in waste. Lasts up to 3X longer* vs. other leading brands.
• INDUSTRY-LEADING PERFORMANCE AND LIFE* FEATURING TRIPURE™ TECHNOLOGY – Advanced filtration, energy efficient, and long filter life. TriPure™ Technology delivers cleaner air through advanced filtration, greater energy efficiency, and long-lasting protection that keeps your home healthy.
• APPLICATION AND SIZE – The AprilAire A14251 replacement filter for furnace and AC is a nominal 14x25x1 air filter and is the perfect fit for HVAC furnace filter applications
• DUST AND POLLEN DEFENSE – MERV 11 filtration removes up to 88% of household dust and pollen. The AprilAire 14x25x1 air filter captures up to 10X more harmful particles compared to typical MERV 8 filters^*.
• ENERGY SMART CHOICE – Up to 20% better airflow* delivering the most energy-efficient MERV 11 1-inch filter*
• PRO-GRADE FILTER WITH EASY INSTALLATION AND MAINTENANCE – Change the air filter for home HVAC up to every 6 months to maintain peak performance. Simply slide the new filter into place with the blue side facing incoming air.
• HEALTHY AIR APP – Download the Healthy Air App (App Store or Google Play compatible) to schedule reminders for filter replacements and help you learn more about maintaining Indoor Air Quality
• SUPPORTING YOUR APRILAIRE HEALTHY AIR SYSTEM® – Superior whole-house air filtration (part of the AprilAire Healthy Air System) is essential to maintaining a Healthy Home environment. The AprilAire Healthy Air System® (additional components sold separately) combines fresh air ventilation, air filtration, humidity control, radon control, zoning and IAQ control, and UVC sanitization to address all aspects of Indoor Air Quality in the home.
• BUY WITH CONFIDENCE – Genuine AprilAire Air Filters are designed and made in the USA so you can buy with confidence

*Performance results based on pressure drop and filter life, determined through controlled testing in accordance with ASHRAE 52.2 2017 test procedure against other leading brands. Comparative results may vary depending on system conditions and application.
^Harmful particles defined as 0.30 to 1.0µm.

• MERV Rating: 11
• Recommended Replacement Schedule: 6 Months
• Materials: Synthetic Fiber, Metal - G60 Sheet, Cardboard
• Contaminants Removed: Dust, Dander, Cough & Sneeze, Pollen, Smog, Smoke
• Nominal Measurements: 14H x 25W x 1D (inches)
• Actual Measurements: 13.5H x 24.5W x 0.75D (inches)

The AprilAire A14251 14x25x1 Air Filter is engineered to deliver cleaner indoor air, improved HVAC efficiency, and long-lasting performance for your home. Featuring TriPure™ Technology, this premium 1-inch furnace filter captures up to 88% of household dust and pollen while maintaining exceptional airflow, helping your HVAC system operate more efficiently. Designed to provide up to 20% better airflow* than leading 1-inch MERV 11 filters, the A14251 offers superior filtration without sacrificing system performance. Its extended up to 6-month lifespan lasts up to 3X longer* than comparable filters, reducing maintenance and replacement frequency while helping protect your family from common airborne particles. Installation is quick and easy—simply slide the filter into place with the blue side facing incoming air, the signature color of AprilAire’s premium, high‑performance solutions. Proudly designed and made in the USA, AprilAire Air Filters are backed by a brand that has been a trusted leader in Indoor Air Quality solutions since 1954, delivering dependable performance and healthier air for homes across the country. *Performance results based on pressure drop and filter life, determined through controlled testing in accordance with ASHRAE 52.2 2017 test procedure against other leading brands. Comparative results may vary depending on system conditions and application.