20x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack soil an integrated temperature sensor

an integrated temperature sensor

Lightweight yet strong powder-coated aluminum hardware

Energy Use: 30–50 watts

- Day/night detection

The bags have pre-punched holes for easy draining and stand upright when filled with media

20x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack soil an integrated temperature sensorNordic 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