9x13x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack drying-racks PE and CPE

PE and CPE

We use a proprietary blend of minerals in our Cal Mag formula to help boost plant yields in fruiting and flowering plant varieties

flowering plants

They remove levels of Volatile Organic Compounds (VOCs) such as chemicals from household cleaning products

9x13x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack drying-racks PE and CPENordic 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