16_3/8x21_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack double-ended Nordic Pure 16x24x4 Pleated Air

Nordic Pure 16x24x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

help strengthen the roots

this formula is very effective for supplementing calcium

The granular carbon has a 1050 mg/g iodine number providing more surface area and thus a longer filter life

16_3/8x21_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack double-ended Nordic Pure 16x24x4 Pleated AirNordic Pure Custom MERV 13 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