21_1/2x23_5/16x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack loose coco For use on hose-end products

For use on hose-end products or at the water supply

of Pro-TeKt® per gallon of water and add to the system’s holding tank

Nitrogen is a major component of every protein molecule

00 - Height (in): 0

21_1/2x23_5/16x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack loose coco For use on hose-end productsNordic 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