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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
one 8 oz Diamond Black
High quality molded impeller
No PC Required
we give you control to supplement as needed without affecting primary fertility input ratios
17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Controllers one 8 oz Diamond BlackNordic 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
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