12_3/4x20_3/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack vacuum Microbe Brew

Microbe Brew

Adjustable Speed Dial

The ballast will not attempt to restart a hot lamp for at least 15 minutes

Increase your eyes comfort and experience in the harsh conditions of the grow room environment

even in hot conditions

12_3/4x20_3/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack vacuum Microbe BrewNordic Pure Custom MERV 8 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