17x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack hand-tools the new IP67 body ensures

the new IP67 body ensures top performance in any environment

Cycle timer with day/night detection

MATERIAL: Galvanized steel

Kills mosquitoes before they're old enough to bite

17x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack hand-tools the new IP67 body ensuresNordic 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