WHOLE HOUSE REPLACEMENT: 14.5x27x5 air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 14.06" x 26.13" x 4.97") MERV 13 PERFORMANCE: Protect your home or business from germs, bacteria, and more with MERV 13 synthetic media (comparable with MPR 1900 & FPR 10) that captures 98% of dust without restricting air flow LONG-LASTING FILTRATION: Electrostatically charged media (made in the USA) with 11 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 180 days for optimal performance) SUPERIOR CONSTRUCTION: Easy installation beverage board (recyclable) frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures COMPATIBLE MODELS: Trane / American Standard (BAYFTFR14M, BAYFTFR14M2, FLR06078, TFM145A0FR00, TFM145AOFR10, TFM145B0FR01, TFM145B0FR0A, TFM14DA0FR00), Honeywell (TRN1427R1, TRN1427T1, TRN1427T1/U), Accumulair (DPFT14.5X27X5AM11, DPFT145X27X5A11, DPFT145X27X5AM8) The Filterbuy replacement whole house air filter 14.5x27x5 (actual size: 14.06" x 26.13" x 4.97") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 13 synthetic media (comparable with Healthy Living Ultimate Allergen Defense MPR 1900 & FPR 10) is recommended if you have a respiratory illness (such as asthma) with its capability to trap 98% of dust particles while protecting your home or business from bacteria, smoke, smog, lint, pollen, mold, dander, and other forms of debris without impacting air flow. High quality construction features an electrostatically charged design with 11 pleats per foot that captures more harmful particles and prolongs the products lifespan by three times that of fiberglass models (replace every 180 days for best results). Plus, our industrial grade beverage board frames are paired with dual wire backings that significantly outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit and withstand exposure to moisture. Installation is also made simple with the addition of easy-to-understand arrows that help identify the direction of air flow and subsequently the way the filter needs to be placed. To top it off, all our components are 100% manufactured within the United States and designed with recyclable materials, providing an eco-friendly alternative to enhancing your air quality.