23x25x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack control system Biodegradable Formula – Made with

Biodegradable Formula – Made with clove oil and other naturally derived ingredients that break down safely in the environment

Overcomes the high viscosity effects of cold water

Ebb-Flow systems

HVAC systems should be rated to handle filters of MERV 14 and above

23x25x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack control system Biodegradable Formula – Made withNordic 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