12x20x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack featured 3 years warranty plus 30

3 years warranty plus 30 days satisfaction or return guarantee

Operating  Humidity: 0-99% Noncondensing

- No more waiting weeks for overseas deliveries

Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth

12x20x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack featured 3 years warranty plus 30Nordic Pure 12x20x2 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