17_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Chemicals the digital controller has programmable

the digital controller has programmable triggers that activate the attic fan when your house gets too hot or humid

100' 1" Diameter Hose

Once this filter begins to show some wear

2 HP load capacity

17_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Chemicals the digital controller has programmableNordic 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