16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack control system A good rule of thumb

A good rule of thumb is to start treating the plant when it is five inches in height

BotryStop WP's competitive exclusion mode of action makes it an ideal rotation partner and a cornerstone of any Integrated Pest Management (IPM) program

has exceeded the range limit

and even commercial horticulture operations

alaskan peat moss

16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack control system A good rule of thumbImportant 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,