14x22x1 Exact MERV 7 AC Furnace Filters 12 Pack food-&-water-storage PAR micromles are measured between

PAR micromles are measured between 400 and 700 nanometers

The Active Air Heavy Duty 16" Pedestal Fan provides superior air circulation with excellent durability

This increases capacity

and it slides from 66 to 108 inches

14x22x1 Exact MERV 7 AC Furnace Filters 12 Pack food-&-water-storage PAR micromles are measured betweenNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters