18x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack new_additions 4 RAW Calcium/Mag - 2

4 RAW Calcium/Mag - 2 oz

Specially formulated to give your plants exactly what they need to produce lush

3 and 5 Gallon (regular and squat) Plastic Pots

edge® is a single meter that can measure Conductivity

18x20x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack new_additions 4 RAW Calcium/Mag - 2Nordic Pure 18x20x2 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