16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 2 Pack Cone Filler Tracking grain depression is required

Tracking grain depression is required for insurance purposes

We recommend repeated applications to keep pace with the fly's life cycle and maintain a healthy Fly Eliminator™ population

DLC listed (H-8BP06EV) and qualifies for utility rebates

Thoroughly mix nutrients or other crop feeding products into clean

Can be applied as a mosquito perimeter treatment

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 2 Pack Cone Filler Tracking grain depression is requiredImportant 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,