12x30x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack HVAC & HOME VENTILATION OMRI Listed formula delivers visible

OMRI Listed formula delivers visible results in under an hour — knocking down weeds and grasses so you can get back to growing what matters

Hydro usage: Use 1/2 to 1 teaspoon per gallon beginning in early veg and run continuously

Controller compatible

and tactical function

000 hour rated life and provide 146

12x30x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack HVAC & HOME VENTILATION OMRI Listed formula delivers visibleNordic Pure 12x30x1 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