18x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Tubing It is also oil-free and

It is also oil-free and therefore does not clog the stomata

It ensures optimum growth

The large size offers lots of possibilities for backyard gardening

Use it alone in hydroponics or try blending it with coir or your favorite planting mix for superior aeration

Coco and Hydroponics

18x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Tubing It is also oil-free andNordic Pure 18x24x1 MERV 8 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