Description
25x25x1 Pleated Air Filters MERV 7 Plus Carbon 6 Pack spl_jondon Nordic Pure 20x25x2 MERV 8 Nordic Pure 20x25x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer The meter can be recalibrated with digital calibration using the push buttons