20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes We have designed a formulation

We have designed a formulation of oils to cause rapid evaporation using our innovative proprietary process

This kit includes two single fan units

Adapts 8 inches to 6 inches | Product Length: 8

00 (in) Height 7

Connection Type: Inline garden-hose connection

20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes We have designed a formulationNordic 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