12_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack sprayers To ensure the best results

To ensure the best results

Diameter 7

High aerodynamic efficiency

4 27 27 18 HGDRRDP65 Commercial Dirt Pot by RediRoot #65

12_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack sprayers To ensure the best resultsNordic Pure Custom MERV 8 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