20x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack complete grow kit Base A contains nitrogen and

Base A contains nitrogen and key micronutrients like calcium and magnesium to support essential plant function and encourage vegetative growth

OK-35624-29 for pHTestr 2

An additional fleece cover will give added protection against the cold

and naturally keeps roots cool

which can help prevent overwatering of plants

20x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack complete grow kit Base A contains nitrogen andNordic Pure 20x20x2 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