12x14x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow Strong 5 ml to 35 ml

5 ml to 35 ml per gallon]

The Headbanger is the only electronic nectar collector certified for use with the new patented Quartz Heating Q1 dip coil

8 lbs) Net Weight

When expanded

12x14x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow Strong 5 ml to 35 mlNordic 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