15x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack sprayers increase volumetric moisture content of

increase volumetric moisture content of media

Warranty: 5 years

• Nutradip Calibration Solution included

but they also increase water retention

Moderate Releases – 100 adults per whitefly "hot spot"

15x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack sprayers increase volumetric moisture content ofNordic 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