Feature●3 - 20x24 Biologic3 Air Cleaner replacement filters●Actual Filter Size 18.5x21.5●Activated Full Carbon Center & Removes Orders, off gassing, Smoke, Dust, Candle Soot, Ozone free and More●Replace Every 1 to 4 Months: Depending Local air quality for optimal performance.●Manufactured by Fast-Shipped-Filters com / Custom Filters Sizes Available●Fast Shipped Filters is a family-owned business in Ohio that has been in the Heating Cooling & Air Purification industry since 1984Description
3 - 20x24 Biologic3 Air Cleaner replacement filters Actual Filter Size 18.5x21.5 Manufactured by Fast-Shipped-Filters com Custom Filters Sizes Available at same price