25x28x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack additives Medium High Speed 379 CFM

Medium High Speed 379 CFM 60 watts

• 1-year warranty

This unique product increases root

Extremely energy efficient

25x28x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack additives Medium High Speed 379 CFMNordic Pure Custom MERV 7 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