17_1/4x19_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions 00 - Length (in): 7

00 - Length (in): 7

One continuous and corrosion resistant helix wire is placed in the duct wall for structural support

Environmental Hazards: Do not apply directly to water

Controller (Gen 2) Sold Separately

using the same 1000 watts to produce higher par and lumen ratings

17_1/4x19_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions 00 - Length (in): 7Nordic Pure Custom MERV 12 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