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in the following spectra:
Total number of ballasts: 80 either in one room or 2x40 in 12/12
more efficient root systems translate directly to increased biomass
• Suitable for use with all substrates including coco fiber
20x20x1 Pleated MERV 14 Air Filters 12 Pack environmental in the following spectra:Nordic 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.
