6x12x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Light Movers Hangers They were designed to block

They were designed to block UV when lighting products in retail stores

Roll-up zipped panel for easy access

Ozone production - 47 mg/hr

A strong foundation for your plants is the first step to success

9 Cu Ft LCD F Display

6x12x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Light Movers Hangers They were designed to blockNordic Pure Custom MERV 7 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