The Lennox X6673 20x25x5 MERV 11 Healthy Climate Furnace & AC Air Filter contains a 98% efficient filtration media that can capture particles as small as 0.3 microns before they collect on coils. This Lennox Pleated Filter Media is a high-efficiency alternative to one-inch filters that offers greater dust-holding ability.
Approximately 19-3/4" x 24-3/4" x 4-3/8"
Lennox: HCC20-28, HCF20-16, 19L17, HCF20-10, X0586
Carrier: EZXCAB020, MPKA020, MACHA020, FILCAB020, EXPXXFIL0020, EXPXXLMC0020, EXPXXUNV0020, FILCCCAR0020
Other Manufacturer Part Numbers: DLXX6673, PF-03-202505HW-2