18 x 20 x 1 MERV 11 Pleated Air Filter

US Home Filter provides a complete selection of 18x20x1 pleated air filters to fit your requirements. These are made in the USA in our manufacturing center in Belton, MO. We’ve been around since 1928 and are a family-owned and operated company with 4th and 5th generations currently employed!

These MERV 11 filters will do a great job of maintaining dust out of your system’s internal components as well as capture particles as small as 1 micron such as mildew spores, dust mite debris, and animal dander. This is perfect choice for those who seek the greatest amount of airflow along with offering great protection to your system and minimizing common allergens in your home!

If you need assistance in confirming your filter size, you can look at our Air Filter Measurement Guide for help. And, as always, you are welcome to call us for assistance at 1.855.435.9600. M-F 8-5 CST. Also, you will be pleased to know that your air filter order of any size will ship to you with FREE FedEx Ground shipping!