16x20x4 Replacement Air Filter AC 313 MERV 13 Allergy & Dust Defense - Pleated HVAC AC Furnace Filter

Superior Allergy & Dust Protection

Upgrade your indoor air quality with our premium 16x20x4 replacement air filter engineered specifically for AC 313 systems. Featuring MERV 13 filtration technology, this pleated HVAC filter captures up to 98% of airborne particles including pollen, pet dander, mold spores, dust mites, bacteria, smoke, and household dust. The electrostatically charged pleated media provides superior filtration efficiency while maintaining optimal airflow throughout your home. Perfect for allergy sufferers, asthma patients, and families seeking cleaner, healthier air, this professional-grade filter transforms your HVAC system into a powerful air purification solution that works silently and continuously to remove harmful contaminants from your living space.

1 Pack

Precision-Engineered Fit & Performance

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 your Honeywell AC 313 air cleaner cabinet. The deep-pleated design maximizes surface area for extended filter life and consistent performance, while the reinforced moisture-resistant frame prevents air bypass and maintains structural integrity in varying humidity conditions. Unlike cheaper alternatives, our filter features commercial-grade construction with double-wall support and expanded metal backing that won't bend, warp, or collapse under pressure, ensuring reliable protection for 6-12 months depending on usage and air quality conditions in your home.

Easy Installation & Long-Lasting Value

Replace your air filter in minutes with no tools required—simply slide out the old filter and insert this direct-fit replacement into your existing Honeywell AC 313 housing. The clearly marked airflow direction arrow ensures proper installation every time, while the durable construction means fewer replacements and lower long-term costs compared to standard 1-inch filters. Ideal for residential HVAC systems, furnaces, and air conditioning units, this filter helps reduce energy costs by maintaining efficient airflow, protects your expensive HVAC equipment from dust buildup, and creates a cleaner living environment for your family. Stock up and save with our multi-pack options for year-round air quality maintenance and peace of mind.