29x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Components Made from polypropylene

Made from polypropylene

Quantum Board® QB 648 made by Samsung

As with all Nordic Pure filters

High quality product

Can I leave this running unattended

29x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Components Made from polypropyleneNordic 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