20x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Power & Lamp Cords Part B of this easy-to-use

Part B of this easy-to-use two-part formula

and other organic matter that has been lodged in the system

125 VAC maximum

the Solar Fly Trap works passively — no power source required

20x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Power & Lamp Cords Part B of this easy-to-useNordic 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