20x26x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack extension Package Size : 731*208*87MM

Package Size : 731*208*87MM

The Controller is very simple—a container with a float valve is connected to the line of units

Special alloy steel is heat treated and tempered to produce an edge that stays sharp longer

Made with Fuller's Earth (a clay material) and 20% Castor Oil

Combining Vegamatrix Grow with Vegamatrix Bloom and Boost will enhance its effectiveness

20x26x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack extension Package Size : 731*208*87MMNordic Pure Custom MERV 14 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