it provides a higher level of drainage and air-filled pore space than 25% perlite
highly water-soluble and completely biodegradable
UL/CSA listed
InterLux™double ended bulbs also provide minimal light deterioration for maximum intensity and lifespan
fruit and vegetable storage areas and indoor gardening areas
14x16x1 MERV 14 AC Furnace Filters 6 Pack Growing Media it provides a higher levelNordic 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.