15x23x1 Exact MERV 13 AC Furnace Filters 6 Pack Pest and Disease Control Good for veg bloom and

Good for veg bloom and provide plants with enough light from seedling to flowering

Can be used on flowering plants

activators or catalysts to produce synchronized and accelerated growth under all conditions

Includes six 3' Sturdy Stakes

15x23x1 Exact MERV 13 AC Furnace Filters 6 Pack Pest and Disease Control Good for veg bloom andNordic 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