20x30x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack Grow Strong water only when the soil

water only when the soil is slightly dry to the touch

MERV 12 furnace air conditioning filters are comparable to HVAC filters with the rating of MPR 1500-1900

• Fully heat-treated

air-tight close

helping to extend the life of your primary FR clothing

20x30x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack Grow Strong water only when the soilNordic Pure 20x30x1 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