13x24x1 Exact MERV 13 AC Furnace Filters 12 Pack Master Controller Growers typically see improved energy

Growers typically see improved energy efficiency (up to 2

Mycorrhizal colonization begins within days of application under optimal conditions

nursery or garden

50 grams each

Nordic Pure 12x12x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

13x24x1 Exact MERV 13 AC Furnace Filters 12 Pack Master Controller Growers typically see improved energyNordic 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