BestAir 18x30x1 Air Filter (4-Pack) | MERV 8 Basic Allergen 7500 HVAC AC Furnace Filter | Replacement Air Filter for Residential & Commercial Use | Made in USA | Actual Size (17.75 x 29.75 x 0.75)
Product information
$45.48
Product price and availability are accurate as of February 2, 2026 at 3:21pm and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Additional details
Features
MERV 8 RATING: Electrostatic filter media captures up to 75% of large airborne particles from 0.3–100 microns (for reference, the average human hair is about 75 microns in diameter). EFFICIENT DESIGN: Combines powerful filtration with minimal airflow resistance for optimal HVAC system performance. SUPERIOR PERFORMANCE: Our non-woven filter media captures household particles 25–30% more effectively than standard 1″ fiberglass filters. LONG-LASTING QUALITY: Made in the USA; each filter lasts up to 3 months for reliable protection and clean air.