12x12x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack lighting-&-electrical-components Attack Back:

Attack Back:

higher quality

• Improves plant flavor

Weight: 7 lbs

With the donut ring you will achieve an even more homogeneous distribution of the water throughout the block

12x12x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack lighting-&-electrical-components Attack Back:Nordic Pure 12x12x1 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