8_7/8x19_1/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Lighting & Electrical Components and it's non-toxic and biodegradable

and it's non-toxic and biodegradable

Breakdown occurs slowly

ready-to-grow

These fans incorporate a powerful mixed flow impeller and internal air vanes located at the discharge end of the fan housing

8_7/8x19_1/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Lighting & Electrical Components and it's non-toxic and biodegradableNordic Pure Custom MERV 13 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