16x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixtures and plums to prevent gray

and plums to prevent gray mold and brown rot

Serial# TD42167 and earlier – must use Bodine motor

• Stomatal opening (feeding tube of plant) is 10 times greater than red light

Notice the "W" in the second version

Dual resettable breakers—protects lamp and household circuits

16x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixtures and plums to prevent grayNordic 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