11_1/2x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack harvest-solution capacity and sold in cases

capacity and sold in cases of 432

Built-in defrost system engages at 32°F

Cabbage Worm (Pieris rapae)

PureCrop1 is a natural surfactant

which is an extract from daisy flowers

11_1/2x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack harvest-solution capacity and sold in casesNordic 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