12x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Controllers Includes: pH 7 & pH

Includes:  pH 7 & pH 4 calibration solution (50ml bottle each)

Stonington is today Maine’s largest commercial fishing port and once home to an important granite quarrying industry

200 x 200 x 60 mm (7

With this design

12x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Controllers Includes: pH 7 & pHNordic 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.