8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_magfan Certification - CE / ROHS

Certification - CE / ROHS

How to use Fish·Mix™

but you also get the whole selection of Dutchpro additives and supplements to get unmatched results

humidifier control (auto or manual)

8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_magfan Certification - CE / ROHSNordic 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