20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 2 Pack hydro-systems or for items that will

or for items that will be accessed often such as coffee beans

112 x Drip Shield 2

A Hydrofarm exclusive

Includes a 12-foot corded sensor probe

then add Elite 91 SILICIC ACID

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 2 Pack hydro-systems or for items that willImportant 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,