17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack cube grow tent set ups and

grow tent set ups and commercial grower facilities

Soluble Potash (K2O) …………………4%

The GMC's enclosure features four separate power outlets used to connect external devices such as fans

13 oz of Soil Activator per gallon of total nutrient solution

17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack cube grow tent set ups andNordic 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