17x22x1 MERV 14 AC Furnace Filters 6 Pack spl_jondon Upgraded 4

Upgraded 4

Recommended usage is 3 pounds per acre

Made of D2 hardened steel

A combination that will allow the hydroponic grower to gain experience with the Biobizz organic products that are suitable to be applied in any hydroponic system

17x22x1 MERV 14 AC Furnace Filters 6 Pack spl_jondon Upgraded 4Nordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.