Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 14 Air Filters 1 Pack Cloning & Seed Starting This leads to the more

This leads to the more efficient use of nutrients

battery level indicator

Maximum durability

Use Elite 91 CalMag 2 or 3 times a week or with every feeding from the seedlings/cuttings growth stage up until the flushing stage of the crops fruiting/flowering cycle

Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 14 Air Filters 1 Pack Cloning & Seed Starting This leads to the moreImportant 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 5 1 4 inch depth filters,