20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack veg nutrients Avoid spraying in windy conditions

Avoid spraying in windy conditions to prevent drift onto desirable plants

Designed for optimal ergonomics

which allows simple identification of multiple strains of cuttings and comes with four way finger slots for improved cloning collar extraction

Flexible Installation – The pre-installed electrical plug is simple to remove for hard-wired applications

• "Instant-on" capability—can be used with photocell or motion sensor

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack veg nutrients Avoid spraying in windy conditionsImportant 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,