13x21_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack pots Lumen : 79296Lm±5%@AC120V 79095Lm±5%@AC240V 79395Lm±5%@AC277V

Lumen : 79296Lm±5%@AC120V 79095Lm±5%@AC240V 79395Lm±5%@AC277V

Coloration ranges from beige to amber/red depending on prey consumed

and the planet

NOTE: Not compatible with Phantom and Xtrasun ballasts

13x21_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack pots Lumen : 79296Lm±5%@AC120V 79095Lm±5%@AC240V 79395Lm±5%@AC277VNordic Pure Custom MERV 7 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