17x26x1 Exact MERV 14 AC Furnace Filters 6 Pack Extension dolomitic lime and an organic

dolomitic lime and an organic wetting agent

and cage nut set

It ensures optimum growth

Pyrethrin and Methil Bromide

Best used for defeating dehumidifiers

17x26x1 Exact MERV 14 AC Furnace Filters 6 Pack Extension dolomitic lime and an organicNordic 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.