8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Synthetic Pro Edition optimum heat management

optimum heat management

Each paper is naturally light tan in color and hand rolled into the perfect cone shape

• Canadian Sphagnum peat moss (75-85% by volume)

Customizable grow alarms

8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Synthetic Pro Edition optimum heat managementNordic Pure Custom MERV 12 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