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Average flow rate with water (SF Models Only): 40 lph
as some are attractants
A Paenibacillus polymyxa species
CC40 – high porosity
With its versatility and durability
12_3/4x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_bfg Average flow rate with waterNordic 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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