20x21x1 Air Filter, MERV 8 Carbon, Standard Capacity, Actual Size: 20x21x0.75

Filter King 20x21x1 MERV 8 Carbon air filters are built with a durable, moisture-resistant paperboard frame and pleated, standard-capacity 1-inch media to help your HVAC system run smoothly. Each filter is designed to last up to 90 days under typical residential conditions, capturing everyday airborne particles to support cleaner, healthier indoor air. The actual size of this filter is 20x21x0.75 inches, so be sure to measure your existing filter carefully to confirm the right fit. For easy comparison, the MERV 8 Carbon rating is roughly equivalent to MPR 700 and FPR 5, making it simple to match performance across different rating systems. Our MERV 8 Carbon filters combine dependable particle filtration with an added carbon layer for odor reduction. They capture dust, pollen, mold, dust mites and bacteria while the carbon media helps absorb odors and light smoke from pets, cooking and everyday household activities. This is a smart choice when you want general filtration plus an extra boost against lingering smells.