21_1/4x21_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack vacuum and other applications

and other applications

Performance Wet

The iLogic™6 UV+Far-Red fills the spectral gap that has persisted between legacy lighting technologies and LED

Can increase or decrease humidity to a specified level

Oregano Thyme

21_1/4x21_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack vacuum and other applicationsNordic Pure Custom MERV 14 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