23_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack microbes Magnesium (Mg)……………0

Magnesium (Mg)……………0

electronic forecast

and no additional additives are required

1x Thermos-hygrometer

With upgraded heavy-duty components made of 316/304 stainless steel and a handling capacity of as much as two pounds of synthetics per gallon of water

23_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack microbes Magnesium (Mg)……………0Nordic Pure Custom MERV 10 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