6x30x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES In most grow environments

In most grow environments

Grodan Master is a special wet/dry slab

flowers and field crops

1 / 320 x 288 x 205

6x30x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES In most grow environmentsNordic 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