2 Pack, 210 Replacement Filter, Compatible with AprilAire 210 Whole House Air Purifiers Models,1210,1620,2210,2216,3210,4200,MERV 11 HVAC Furnace Filter Replacement,20x25x4inch Air Filter

Compatible Models: This Aprilaire 210 replacement air filter is designed to fit AprilAire 210 Whole House Models 1210, 1620, 2210, 2216, 3210, and 4200 perfectly.
Note: Not suitable for 1213 Upgrade Kit, Model 2120, or Model
2200.
Nominal Size: 20 x 25 x 4 inches (nominal size is an industry standard filter size system to help you easily identify the correct replacement filter, not necessarily the actual size). Seamlessly integrated into your existing system without any modifications, these filters offer an excellent solution.
Easier to Install: Quick and easy filter replacement process requires no special tools or technical expertise. Unpack, unfold the filter, slide in, close the doorit's done, without aligning the upper and lower Interlock Rail System, and with no assembly cardboard, metal strips, or screws. This innovative design provides a significant improvement over traditional filters.
Latest US Patent Design: US Standard. The unique foldable design, using 4 bendable metal strips, allows the filter to be easily folded and unfolded, making replacement and installation a breeze. It also offers good support under high air intake and can be easily stored when not in use. By using four sealing strips on top and bottom, the amount of air bypassing the filter can be minimized to provide a better sealing effect.
High-Efficiency Filtration: Engineered with multi-layer collapsible fabric to deliver superior air filtration without restricting airflow. Enhances system performance and energy efficiency, helping create a cleaner, more comfortable home.
Impeccable Performance: This replacement air filter has a MERV 11 rating, effectively trapping 95% of dust, pollen, pet dander, and other airborne particles as small as 0.3 microns. The soft and light fiber filter cotton material provides excellent air permeability, low resistance, and a long service life, ensuring optimal airflow throughout your home. Vacuum and dust less often by preventing airborne particles from settling on your furniture and flooring, promoting cleaner and healthier air in your home. The design service life is over 1 year. It is recommended to replace every 6-12 months depending on the usage and environment