20x22x1 Pleated MERV 12 Plus Carbon AC Furnace Filters 24 Pack AIR FILTER BOXES per your size settings

per your size settings

The Zenport J603 extra strong

This will keep the mycorrhizal fungi in suspension for equal distribution when applying as a root drench

Spraying once or twice a week will suffice for correcting nutrient deficiencies as well as adding an extra boost to plant health

Use in conjunction with Trees and Micro for the best results

20x22x1 Pleated MERV 12 Plus Carbon AC Furnace Filters 24 Pack AIR FILTER BOXES per your size settingsNordic Pure 20x22x1 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