12x26_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack king Fully Programmable Spectrum Control

Fully Programmable Spectrum Control

Phydura is non-selective

composted dark bark

This Product Controls These Pests or Diseases: Use to kill and repel Fungus Gnats

12x26_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack king Fully Programmable Spectrum ControlNordic Pure Custom MERV 7 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