8x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Commercial Lighting easy installation

easy installation

and higher yields

Specially designed for controlling the speed of inline

B-Lite Master Zone Controller (Not Included)

8x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Commercial Lighting easy installationNordic 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