12x15x1 MERV 13 AC Furnace Filters 6 Pack -power-&-lamp-cords Meets National Organic Production (NOP)

Meets National Organic Production (NOP) standards

The granules can be used for seed starting to mature plants

This ideal ratio provides higher potassium levels to increase biomass while amplified phosphorous levels promote flower initiation

and lamp failure protection

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12x15x1 MERV 13 AC Furnace Filters 6 Pack -power-&-lamp-cords Meets National Organic Production (NOP)Nordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200