16x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack -power-&-lamp-cords and a self-sealing fitting

and a self-sealing fitting

Use to Raise the pH to the proper levels when pH is too low

Gold Label Hydro is the inert hydroponics substrate of choice for professionals

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16x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack -power-&-lamp-cords and a self-sealing fittingNordic Pure 16x24x1 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