10x12x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pest and Disease Control californicus lasts between one to

californicus lasts between one to two weeks and is significantly influenced by temperature

Steel flange for filters and ducting

From 3K to 3K+Red to 4K

• Contains rare earth humic acids

90 watts /

10x12x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pest and Disease Control californicus lasts between one toNordic Pure Custom MERV 13 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