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8/365 Time to replace my 20"x30"x1" Minimum Efficiency Rating Value 11 pleated air / furnace filter
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31/365 Changed furnace filter
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Time to change the air filter
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AC/Furnace filter change after about 100 hours of use
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Time to change the A/C air filterafter 50 hours of use
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20x30x1 Filter Buy MERV 13 True Blue Air Filter FPR 6 / MERV 11 Pleated AC Furnace Air Filter
pointnshoot:
Time to change the air filter
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20x30x1 Filter Buy MERV 13
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HVAC Air Filter change
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HVAC Air Filter change
pointnshoot:
HVAC MERV 13 Air Filter change
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HVAC Air Filter change
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HVAC air filter after two months (50 hours) of operation
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HVAC MERV 13 air filter after (50 hours) of operation
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HVAC air filter after two months (50 hours) of operation
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HVAC MERV 13 air filter after (50 hours) of operation
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Aerostar MERV 13 20x30x1 air filter after (50 hours) of operation next to a new Amazon Basics Merv 11 20x30x1 Air Filter.
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Amazon Basics Merv 11 20x30x1 air filter after (50 hours) of operation next to a new Amazon Basics Merv 11 Air Filter