16x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack featured chemical and rust proof

chemical and rust proof

humidity and CO2 and VPD levels without the need to actually control any devices

bags of Perfecta BASE

Nordic Pure 16x25x5 Honeywell Replacement MERV 13 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

16x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack featured chemical and rust proofNordic 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