Key features

• •Compatible Models: 210 Replacement Air Filter is Designed to perfectly fit AprilAire 210 Whole House Models 1210,1620,2210,2216,3210,4200 NOTE: Not Fit for 1213 Upgrade Kit ,Model 2120, 2200. Nominal Size is 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, our filters provide an excellent solution.
• •Easy to install: Quick and easy filter replacement process requires no special tools or technical expertise.Unpack, Unfold the filter, Slide in, Close the door, It's done, without aligning the upper and lower Interlock Rail System, No assembly cardboard or metal strips and screws.This innovative design offers a significant improvement over traditional filters.
• •New Design:The unique foldable design,by using 4 bendable metal strips, the filter can be easily folded and unfolded, Replacing, installing the filter is a breeze. It also provides 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 better sealing effect.
• •MAINTENANCE: Regular replacement helps maintain optimal performance and extends the life of your appliance.
• •DURABILITY: Constructed with quality materials to ensure consistent performance throughout its recommended usage period