18x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack Grow1 5' Steel Stake It is great for small

It is great for small size closet type home grow setups where quiet operation is essential

For use outdoors in and around gardens

apply before pest infestation becomes severe and be sure to cover all sides on infected plants thoroughly

Window viewing ports on all tents larger than 3 ft

Mild Vegetative Rate: 6 ml/gallon

18x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack Grow1 5' Steel Stake It is great for smallNordic Pure 18x20x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material