12x16x1 MERV 12 AC Furnace Filters 6 Pack spl_hi even coverage over a 3'

even coverage over a 3' x 5' growing area

Proprietary arc tube is precision engineered of European material for outstanding performance – these lamps output 2100 µmol/s of photosynthetic photon flux (PPF 400-700nm) and 2330 µmol/s of plant biologically active radiation (PBAR 280-800nm) when operated at 1000W

No more bruised fruit from shaking the crops to the ground during harvest

Municipalities and parks — organic grub control for public green spaces

12x16x1 MERV 12 AC Furnace Filters 6 Pack spl_hi even coverage over a 3'Nordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different