Competitor green CLF "party lights" or incandescent bulbs do not provide the correct spectrum to prevent photosynthesis
Numbers of ballasts per output : 100 pcs Max
The ILUMINAR iL1c 330W LED delivers a tuned Full Spectrum for sensitive plants and low wattage requirements
rock dust and kelp for exceptional quality castings
30x30x1 Exact MERV 13 AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies Competitor green CLF "party lights"Nordic 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