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a squeeze tool and spare tips
Better macro and micronutrient chelation
Selectable switch lets you choose whether to run the controller for temperature shutdown
Holds over 6 quarts of seed and two suet cakes
18x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack LUXX Bar a squeeze tool and spareNordic Pure Custom MERV 7 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