30x30x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_jondon Maintenance Growth - 11-12 months

Maintenance Growth - 11-12 months

Made from EPA Section 25-b exempt ingredients

Continued use will encourage strong growth

Best Par Maintenance

The Max-Fan® Pro Series is even more efficient and stronger than the original Max-Fan® design

30x30x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_jondon Maintenance Growth - 11-12 monthsNordic 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