This filter serves as a convenient, pre-assembled replacement for Research Products Aprilaire / Space-Gard filter 401, used in models 2400.
You will still need the plastic inner filter housing, but not the spacers. Also, do not remove the seal kit(pink or white insulation-looking material) from the plastic housing when installing this filter.
Approximately 15.38x26.94x6
Aprilaire and Space-Gard: 2400
Lennox: PMAC-12C
Subs for These Part Numbers:
Lennox: # X0444
DSG8.0616282PFF
DSG11.0616282PFF
DSG13.0616282PFF
DSG8.0616282P
DSG11.0616282P
DSG13.0616282P
DPFS16X28X6
DPFS16X28X6M8
DPFS16X28X6M11
DPFS16X28X6M13