16x22x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack X Nutrients Grow Spray 1 Gal The sensor comes factory calibrated

The sensor comes factory calibrated for precise CO2 readings and utilizes low voltage technology to avoid radio frequency interference (RFI) from electronic ballasts

Nordic Pure 10x24x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

- Heavy Duty Brass Grommets

Test clean parts per billion

select the COSYS20

16x22x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack X Nutrients Grow Spray 1 Gal The sensor comes factory calibratedNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.