12x16x1 MERV 8 Plus Carbon AC Furnace Filters 12 Pack spl-athena RPM is adjustable from 6

RPM is adjustable from 6 RPM (2 ft/min) to 10 RPM (4 ft/min)

• Increases root density

When used weekly as a foliar spray throughout the vegetative cycle and into the first week of flowering

This nutrient-dense product contains more than 70 different minerals

12x16x1 MERV 8 Plus Carbon AC Furnace Filters 12 Pack spl-athena RPM is adjustable from 6Nordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.