18x27x1 MERV 14 AC Furnace Filters 6 Pack Monitors & Timers 1 — Flexible Aluminum Ducting

1 — Flexible Aluminum Ducting

in-line cable connector (4–6

including Citronella

Three measurement ranges

real-time feedback in the field

18x27x1 MERV 14 AC Furnace Filters 6 Pack Monitors & Timers 1 — Flexible Aluminum DuctingNordic 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.