Fits Lennox model number PCO-20C
Lennox part number 75X67
Nominal size 21 x 26 x 4.
Actual size 21 1/4 x 26 x 4.
Package contains 2 filters.
Pre-applied gasketing on the assembled filter prevents air by-pass. 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. No assembly required...no combs needed...filter just slides right in! This product is listed and rated by Underwriters Laboratories as U.L. Class 2.
