20 x 26 x 3 MERV 11 Lennox X1184, PCO-20U Replacement by Accumulair®

US Home Filter provides a complete selection of 20x26x3 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!

Our MERV 11 filters will do a fantastic job of maintaining dirt out of your system’s internal components as well as trap particles as tiny as 1 micron such as mildew spores, dust mite debris, and animal dander. This is an ideal choice for those who seek the utmost level of airflow along with offering superior protection to your system and reducing common allergens in your home!

If you require help in confirming your filter size, you can refer to our Filter Size Guide for help. And, as always, you are encouraged to call us for help 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!