17x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack shredder please refer to the manufacturer's

please refer to the manufacturer's label under the DOCS tab

For control of higher amperage units or combined lighting wattage above 1200W

So if you are running different brands of lights rather than ParfactWorks

Controls Alternaria

These tips are made from our soft fiber paper and pressed for easy smooth rolling

17x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack shredder please refer to the manufacturer'sNordic 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