16x20x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack botanicare which causes cell leakage and

which causes cell leakage and subsequent death of the pathogen

Double density

Rounding out the system is the DE1000Lh (Open) Reflector and a premium European-made DE lamp with rated PAR output of 1450 µmol/s

USHIO's HiLUX GRO is a new line of grow lamps that promote enhanced vegetative growth and flowering

16x20x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack botanicare which causes cell leakage andImportant 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 16x20x4 filter