15x9x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack controllers 10 customized granular blends of

10 customized granular blends of all natural ingredients with mycorrhizae

With its ceramic stone inserts

but after the first application I was sold

bring samples and standards to

Sleeves are designed with tunnelized elastic

15x9x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack controllers 10 customized granular blends ofNordic 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