17_1/8x26_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack light Each filter is machine packed

Each filter is machine packed and includes a pre-filter

Multiple Applications

and is effective against adult

Spread Granular evenly around the bottom and sides of the planting hole

making them ideal for a variety of uses by farmers

17_1/8x26_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack light Each filter is machine packedNordic Pure Custom MERV 8 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