20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters 2 Pack HPS The backbone of the Summit

The backbone of the Summit system is the Summit ballast

Nordic Pure 20x20x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Proactive monitoring indicators to show the PDU’s power

4 x Matrix Pad | 9" x 10

560 ounces per gallon]

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters 2 Pack HPS The backbone of the SummitImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. We also carry 4 7 8 and 5 1 4 inch depth filters,