16_3/8x21_3/8x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack complete-systems Higher density 2000D canvas prevents

Higher density 2000D canvas prevents light leaks while diamond mylar amplifies light reflectivity

salt build-up

This product is also available in 30-gallon and 55-gallon drums

Shallow grooves for easy cleaning

you will get sweeter taste

16_3/8x21_3/8x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack complete-systems Higher density 2000D canvas preventsNordic Pure Custom MERV 12 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