8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_magfan made up of a helical

made up of a helical blade

Armadillos

0 mil Nitrile Large - Case of 10 boxes (100 per box)

Certification - CE / ROHS

humidifier control (auto or manual)

8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_magfan made up of a helicalNordic 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