6x10x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Growing Media The end result is naturally

The end result is naturally superior

without consuming more energy

Includes: pH 7 & pH4 calibration solution (50ml bottle each)

KALIX stage-specific microbe blends boast extremely high spore counts and can be used to inoculate at any time during the plant's life cycle

Drop ship orders sold by case quantity only and will be shipped out of Texas

6x10x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Growing Media The end result is naturallyNordic 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