18x27x1 Exact MERV 14 AC Furnace Filters 6 Pack aaron The uniquely designed arc tube

The uniquely designed arc tube results in a peak performance and a substantial increase in initial and mean lumens

Product Dimensions: 15'' x 15'' x 33'' (unfolded)

They are also suitable as a diet supplement for insectivorous birds

square wave technology provides much greater current stability and consistency in output levels

5" Tri-edge

18x27x1 Exact MERV 14 AC Furnace Filters 6 Pack aaron The uniquely designed arc tubeNordic 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.