8_1/2x30x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hf Each clip measures 1

Each clip measures 1

Full stainless-steel construction

Nordic Pure 18x24x4 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Mosquitoes (Culiseta longiareolate)

8_1/2x30x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hf Each clip measures 1Nordic 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