17_1/4x19_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification Protected against short circuits

Protected against short circuits

and BPA-free

light & fan) needed for their plants

It has 90° oscillation or can be locked in a non-oscillating position

Designed for optimal ergonomics

17_1/4x19_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification Protected against short circuitsNordic 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