13_1/4x13_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack New-releases 1 interchangeable insert included

1 interchangeable insert included

Heavy-Duty steel construction with spiral fan guards

Designed to be installed into standard equipment racks

helping you to keep your crops organized and to make sanitation a breeze

2x Hangers with carabiners

13_1/4x13_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack New-releases 1 interchangeable insert includedNordic Pure Custom MERV 14 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