20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 12 Air Filters 2 Pack Tents & Tarps When plants are being moved

When plants are being moved from one stage to another

Lite: 5mL / Gallon

LED error indicators

Shelf life is typically 2–3 years when stored properly

It’s also equipped with an optional high temp shutdown feature for use with CO2 generators that is designed to save a crop in the event of an exhaust fan or AC failure

20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 12 Air Filters 2 Pack Tents & Tarps When plants are being movedImportant 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 3 8 and 4 7 8 inch depth filters,