17x29x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Chemicals which comes in handy for

which comes in handy for determining maintenance or simply making sure that you’re using all of your dehumidifiers equally

• White plastic for increased reflectivity

1 x Reservoir pH Sensor

infestation level and season of the year

They last longer

17x29x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Chemicals which comes in handy forNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition