single-point calibration for pH and EC with one solution
One continuous and corrosion resistant helix wire is placed in the duct wall for structural support
high-temperature dimming features along with fan control
Taped seams add an extra layer of protection
you can pretty much "set it and forget it
12x24x2 Pleated MERV 14 Air Filters 12 Pack Nutrients single-point calibration for pH andNordic 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.