8x10x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Misc There are four precision thermal

There are four precision thermal probes included

Replaceable cartridges (item code NERKC20)

7 cm / 18"

Saturate them with water

• Simple

8x10x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Misc There are four precision thermalNordic Pure Custom MERV 13 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