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

NPK / 2 - 5 - 3

When treating plants outside wait for still air

NPK: 6-42-12

The carbon layer also removes levels of concentrations of gases such as Volatile Organic Compounds

Get to grow like a pro with a high quality complete pack that has been designed to be easy to handle

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