18x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_fluence When they land on the

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OMRI Listed botanical insecticide/nematicide that controls and repels over 300 insect species across a wide range of ornamental

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* High dehumidification capacity

AIRLIFT Series of Shutter Exhaust Fans

18x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_fluence When they land on theNordic Pure Custom MERV 14 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