14x22x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK Effective against more than 60

Effective against more than 60 listed insect pests

Contact us if you require a replacement

AEROMIXER 3/4HP pump

633 and the FS+UV to create a custom light spectrum for a start-to -finish combination

Brown spot and Black crown rot (Alternaria species)

14x22x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK Effective against more than 60Nordic 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