AprilAire 213 Replacement Filter, MERV 13, 20x25x4 Whole-House Air Filter | AC & HVAC System Media, Self-Seal Technology, Allergen Reduction, 12-Month Life, Made in USA

For Allergy Sufferers and Homes With Pets – Recommended for allergen removal: traps dust, pollen, mold spores, bacteria, pet dander, and dust mites as air passes through your HVAC system, which reduces your cleaning time at home

Fit AprilAire Purifiers Only – For AprilAire Whole House Air Purifiers 1210, 1620, 2210, 2216, 3210, 4200, and 2120 or 2200 with Upgrade Kit 1213. Nominal 20x25x4 size.

MERV 13 Filtration – Removes up to 97% of common allergens and 92% of viruses* to improve Indoor Air Quality at home. *Virus performance results based on controlled testing in accordance with ASHRAE 52.2 test standard using the MS-2 virus.

Advanced Purification – Removes 15% more harmful particles than the minimum MERV 13 requirement**. **Harmful particles defined as 0.30 to 1.0μm. Testing was verified by 3rd party lab. All results follow ASHRAE 52.2 2017 Testing Method.

Change Once a Year – 12-month filter lasts up to 2X longer^ for fewer replacements and less system strain, saving you money. ^Performance results based on controlled testing in accordance with ASHRAE 52.2 2017 test procedure. MERV 11/13 Filters only.