20x25x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack micro-nutrients The probe can be placed

The probe can be placed up to 15 feet from the controller

Brown spot and Black crown rot (Alternaria species)

The thing with tips is that everyone rolls differently and has different preferences

The CMH ballasts are designed to properly ignite and operate on a low frequency ensuring the safety of you and your crop

You can then choose between High Altitude (above 5

20x25x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack micro-nutrients The probe can be placedImportant 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. If you are replacing a 4 3 8 depth 20x25x4 filter