15x9x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack light and uniform Grodan product

and uniform Grodan product

Specification: Triple washed to ensure low EC (0

Chemboys pH Up

Surface Treatment/Cleaning:

15x9x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack light and uniform Grodan productNordic 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