50Max dry volume (cubic cm / cubic in): 144
1 interchangeable insert included
This product can be used up to the day of harvest and has a 4-hour REI (Restricted Entry Interval)
these cultures promote the growth of naturally-occurring beneficial microorganisms
non-woven fabric
18x25x1 Pleated MERV 14 Air Filters 3 Pack complete-systems 50Max dry volume (cubic cmNordic 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.