10x20x2 Pleated MERV 13 Air Filters 12 Pack Nutrients and Supplements NPK / 2 - 5

NPK / 2 - 5 - 3

PHOTOBIO•T can be applied indoors or greenhouse as a direct 600W HID alternative or retrofit

fossilized kelp and mycorrhizae will help you grow a lush bountiful organic garden

NPK: 6-42-12

10x20x2 Pleated MERV 13 Air Filters 12 Pack Nutrients and Supplements NPK / 2 - 5Nordic 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