18x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack Meters & Solutions Root Drench: 2-20 lbs (2

Root Drench: 2-20 lbs (2

gain sustainability

Multi-range pH/EC/TDS and Temperature meter

Which means that a vulnerable insect population

18x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack Meters & Solutions Root Drench: 2-20 lbs (2Nordic Pure 18x24x4 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