21_1/2x23_3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Hand Tools Note: This item is for

Note: This item is for commercial use and is packaged as bulk

0 inches H8

* Free Flow

Sampling kit includes a submersible pump

21_1/2x23_3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Hand Tools Note: This item is forNordic 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