with 1800 μmol/s of photosynthetic photon flux (PPF 400-700nm)
this Mini Greenhouse is built for year after year after year of use and re-use
PhysioSpec™ improves crop quality
Color Temperature: 2K
ELEMENTS® Single Wide size rolling paper
15x25x1 MERV 13 AC Furnace Filters 6 Pack HVAC & HOME VENTILATION with 1800 μmol/s of photosyntheticNordic 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