This 4-pack of Lennox Genuine OEM filters features a MERV 8 rating and a 16x25x1 pleated design for optimized air filtration.
The Lennox 98N42 is the correct 16x25x1 filter for the Lennox ML193UH furnace with 17 1/2 in, 21 in, 24 1/2 in cabinet width using the side return.
The Lennox 98N42 is the correct 16x25x1 filter for the Lennox ML193UH furnace with
for the 17 1/2 in cabinet bottom return configuration.