18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack dis a powerful source of potassium

a powerful source of potassium and magnesium that is carefully mined from ancient sea beds in the desert of the American Southwest

Growers choosing PBH/Nature's Media Amendment reduce costs

Emerald Rootz blend consists of: Peat

79W±5%@AC120V 74

Can be used submersed or in-line

18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack dis a powerful source of potassiumNordic Pure 18x24x4 MERV 10 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