Serged seams eliminate raw edges that can create and release additional particulate contamination
or some heavy fertilizers you're pouring
Lower the pH of soil less media
and re-condensing of water in the distilled process can leave some impurities behind
also used with smartpots and fabric pots
28x34x1 MERV 14 AC Furnace Filters 6 Pack BVV Serged seams eliminate raw edgesNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.