28x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions Nordic Pure 12x30x1 MERV 7

Nordic Pure 12x30x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Amber Humic is a liquid extract derived from Leonardite

a by-product of rug and broom-making in East Asia

Tiresias Mist is used in conjunction with the directions

Made of quality materials

28x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions Nordic Pure 12x30x1 MERV 7Nordic Pure Custom MERV 12 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