16x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack Amendment Suggested Uses: This emulsifiable concentrate

Suggested Uses: This emulsifiable concentrate acts as an antifeedant

or any other container you desire to use them with

Known for their high degree of efficiency and deep ultimate vacuum

They feature stronger corners and a low profile to fit under flood tables and other hydroponic systems

Mix well then add remaining fertilizers and additives

16x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack Amendment Suggested Uses: This emulsifiable concentrateNordic Pure 16x24x4 MERV 12 Pleated 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