20x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack control system 8Lm±5%@AC120V 111756Lm±5%@AC240V 110832Lm±5%@AC277V

8Lm±5%@AC120V 111756Lm±5%@AC240V 110832Lm±5%@AC277V

When its built-in sensor senses that the RH has exceeded the setpoint by at least 1%

The parasites typically fly about 6 trees or plants in a day

simply press the handles together to open automatically

Schaefer Versa-Kool High Velocity Greenhouse Fan

20x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack control system 8Lm±5%@AC120V 111756Lm±5%@AC240V 110832Lm±5%@AC277VImportant 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 20x20x4 filter