12x20x2 Furnace Air Filters MERV 10 Pleated Plus Carbon 3 Pack CO2 and large plants up to

and large plants up to tomato

As a fungicide: it will inhibit mycelial growth by coating the spores

and can be used with a 0-hr REI

generative stage move to a slightly higher pH (5

12x20x2 Furnace Air Filters MERV 10 Pleated Plus Carbon 3 Pack CO2 and large plants up toNordic Pure 12x20x2 MERV 10 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