20x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack -power-&-lamp-cords 1x TSL2000

1x TSL2000

Verde is a blend that contains high quality

Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 8 are made of a dual material where the MERV rated material has been fused together with a carbon layer

When the original DiST (Dissolved Solids Tester) was first introduced

Designed for ventilation applications including HVAC

20x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack -power-&-lamp-cords 1x TSL2000Nordic Pure Custom MERV 10 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