20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack Air Filter The water repellent granulates are

The water repellent granulates are superior substitutes for aerators such as perlite or Styrofoam

The exceptional durability and strength of this product has made it a choice for miners and prospectors

Late Blight

Tie strings are secured in the back so they're out of the way while you work

This creates truly impressive stacked flower clusters full of aromatic essential oils

20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack Air Filter The water repellent granulates areNordic Pure 20x24x4 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