12.5x21x0.75 Exact Size Air Filter shoe-cover Nordic Pure MERV 14 air

Nordic Pure MERV 14 air filters work great in newer

· Burning Position - H

Nickel (Ni)

Type of Test: Plant Petiole Analysis (for grapes)

Color : 4000K + 660nm

12.5x21x0.75 Exact Size Air Filter shoe-cover Nordic Pure MERV 14 airNordic 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