20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack ventilation and ducting On the back side are

On the back side are two USB fan ports

Can be used on the day of harvest - just wait for it to dry before entering the treatment area

This blade also meets FDA and USDA guidelines so you can be sure your product will be trimmed safely for your consumers

With this light

Press the power button and allow the quartz tip to heat up

20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack ventilation and ducting On the back side areImportant 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