14x18x1 MERV 14 AC Furnace Filters 6 Pack Extension Introducing the world's first HPS

Introducing the world's first HPS lens filter

Air Pressure: Max 25 mm WG (2500 Pa or 10" WG)

Green bugs

dissolves easily

14x18x1 MERV 14 AC Furnace Filters 6 Pack Extension Introducing the world's first HPSNordic 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.