The letter indicates tube type: E-tubes or F-tubes
Never worry again about your stank
Very efficient and cost effective
*Human Coronavirus application pending approval in California
Smoke & Water Detectors: Max
16x28x1 Exact MERV 14 AC Furnace Filters 6 Pack hydro-components The letter indicates tube type:Nordic 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.