6x30x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack environmental-controllers making it a stealthy and

making it a stealthy and powerful choice for on-the-go dabbing

Constructed with 1680D thread density fabric that is up to 9x denser than other grow tents on the market

insert stem pointing away from your body into an appropriately sized notch

Large - Case of 12 sleeves (12 units per sleeve)

6x30x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack environmental-controllers making it a stealthy andNordic 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