22x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixture 000 lumens (@100 hours) and

000 lumens (@100 hours) and 10

Federal VA Hospitals

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it does double-duty

22x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixture 000 lumens (@100 hours) andNordic 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