16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack PH/EC/TDS Meters and Solutions Xtra value—super affordable

Xtra value—super affordable

No fans No noise LED Grow System design will make your growing life easy and quiet

Azalea Moth

sulfate of potash

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack PH/EC/TDS Meters and Solutions Xtra value—super affordableImportant 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,