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unused swimming pools
for your irrigation systems and tanks
MERV 7 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 600
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18_1/4x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Media unused swimming poolsNordic Pure Custom MERV 10 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
