Provides balanced calcium and nitrogen ratios
An ideal fixture for various indoor applications including vertical facilities
Spray the entire plant with the lights off
leaving no residual impact on the environment
16x20x2 Pleated MERV 14 Air Filters 3 Pack shoe-cover Provides balanced calcium and nitrogenNordic 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.