30x32x1 Exact MERV 8 AC Furnace Filters 6 Pack Terp Derp Multi-volt capability: Can be run

Multi-volt capability: Can be run at either 120V or 240V

Works with 250w through 1000w wattage bulbs and ballast

The active ingredient in RootShield Granules is a patented fungus

Total overall length of the tool is 25

Just add what's required to reduce pH

30x32x1 Exact MERV 8 AC Furnace Filters 6 Pack Terp Derp Multi-volt capability: Can be runNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters