12x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack micro-nutrients It will help retain moisture

It will help retain moisture and heat to improve seedling germination

yet still provides the same superb “compost-tea extract” that boosts plant nutrient uptake during all the stages of your plant’s life cycle

DIMENSIONS : 54"x28"x6"

Full spectrum design with spectral tuning capabilities cover each critical phase of growth from vegetative to flowering

12x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack micro-nutrients It will help retain moistureNordic Pure 12x20x1 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