18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack vacuum pump adventitious roots along the base

adventitious roots along the base

Silica has been found to strengthen cell walls giving plants an increased resistance to environmental stress

*Tested and Verified by AHAM - Testing standard of 24 hrs at 80°F

rock dust and kelp for exceptional quality castings

When making cuttings

18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack vacuum pump adventitious roots along the baseNordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200