18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 6 Pack Reflectors & Grow Lights As you finish out the

As you finish out the bloom stage

Large luminous area uniform PPFD distribution

Bacterial Spot and Speck

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Citric Acid lies below 4

18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 6 Pack Reflectors & Grow Lights As you finish out theNordic Pure 18x24x4 MERV 10 Pleated 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