11x32_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack steel plant stake Unlike common AC-powered duct fans

Unlike common AC-powered duct fans that suppresses voltage to control fan speeds

- Leaves no residues

000 cuts on 1

Then we add our new molded right angle strain relief and 25 feet of heavy duty 600 volt rated cable to our exclusive waterproof Lock & Seal plug system

11x32_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack steel plant stake Unlike common AC-powered duct fansNordic 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