28x34x1 MERV 14 AC Furnace Filters 6 Pack refurbished-products CO2 Accuracy: +/- 50 PPM

CO2 Accuracy: +/- 50 PPM

Requires certified HVAC professional installation

Heterorhabditis indica (Hi)

worthy of being mounted next to modern receivers

• Precision Sorter - 300 lbs

28x34x1 MERV 14 AC Furnace Filters 6 Pack refurbished-products CO2 Accuracy: +/- 50 PPMNordic 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.