20x25x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack biological fertilizer Low range measurement (μS/cm and

Low range measurement (μS/cm and ppm)

May assist plants with the uptake of nutrients

Adults emerge from the cocoons with large veined ("lacy") wings ready to mate and lay more eggs

It keeps stems clear and free flowing

20x25x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack biological fertilizer Low range measurement (μS/cm andNordic Pure 20x25x2 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