20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 2 Pack pumps-&-irrigation building upon the previous fibrous

building upon the previous fibrous root system

Silica™ is a beneficial supplement to be used in conjunction with Success Nutrients plant and food supplements

Aluminum tops and bases for reduced weight

Economy Flood Trays feature newly re-designed channels as well as dual-step sidewalls which allow for 2 different root heights

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 2 Pack pumps-&-irrigation building upon the previous fibrousImportant 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,