16x20x4 Replacement Air Filter for Honeywell FC100A1003, Lennox X0592 MERV 13 Allergy & Dust Defense - Pleated HVAC AC Furnace Filter

Maximum Allergy & Dust Protection

Breathe easier with our premium 16x20x4 replacement air filter designed for Honeywell FC100A1003 and Lennox X0592 systems. This MERV 13 rated pleated filter delivers exceptional air purification by capturing up to 98% of microscopic airborne particles including pollen, pet dander, mold spores, dust mites, bacteria, smoke, and smog. The high-density electrostatically charged media provides superior filtration efficiency while maintaining optimal airflow throughout your home's HVAC system. Ideal for allergy sufferers, asthma patients, pet owners, and health-conscious families, this professional-grade filter transforms your heating and cooling system into a powerful air cleaning solution that works continuously to remove harmful contaminants and create a fresher, healthier indoor environment.

Precision Engineering & Durable Construction

Manufactured to exact specifications with actual dimensions of 15.94 x 19.75 x 4.38 inches, this replacement filter ensures a perfect, gap-free fit in both Honeywell FC100A1003 and Lennox X0592 air cleaner cabinets. The deep-pleated design maximizes filtration surface area for extended service life and consistent performance throughout the entire filter lifespan. Built with commercial-grade materials including a reinforced moisture-resistant frame, double-wall construction, and expanded metal backing, this filter maintains structural integrity even in high-humidity conditions and won't bend, warp, or collapse under system pressure. Superior craftsmanship and quality materials ensure reliable protection for 6-12 months depending on your home's air quality conditions and HVAC system usage patterns.

1 Pack

Easy Installation & Outstanding Value

Replace your air filter in minutes without any tools required—simply remove the old filter and slide this direct-fit replacement into your existing Honeywell FC100A1003 or Lennox X0592 housing. The clearly marked airflow direction arrow ensures correct installation every time, eliminating guesswork and ensuring peak performance from day one. This professional-grade filter helps reduce energy costs by maintaining efficient airflow, extends the life of your expensive HVAC equipment by preventing dust buildup on critical components, and provides exceptional long-term value with fewer replacements needed compared to standard 1-inch filters. Perfect for residential furnaces, air conditioners, and whole-home HVAC systems. Stock up with convenient multi-pack options for year-round air quality maintenance and savings.