6x12x1 Exact MERV 8 AC Furnace Filters 6 Pack ac-dehumidification-humidification Adjust to pH to proper

Adjust to pH to proper levels after mixing all fertilizers and additives

The sturdy frame construction helps support the weight of the vines as they grow

Wide and bright light delivery

or add it to existing soil

resulting in a more bountiful harvest and improved aroma

6x12x1 Exact MERV 8 AC Furnace Filters 6 Pack ac-dehumidification-humidification Adjust to pH to properNordic 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