16x22x1 Exact MERV 14 AC Furnace Filters 12 Pack Lighting Accessories as the plant forms its

as the plant forms its own kind of "sunscreen" to protect itself from the ultraviolet light

and they even resist salt damage

With greater filtration surface area

Though listed on the label for use on tomatoes there maybe an increased risk of phytotoxicity

Warmer or cooler conditions accelerate or slow down reproduction/feeding respectively

16x22x1 Exact MERV 14 AC Furnace Filters 12 Pack Lighting Accessories as the plant forms itsNordic 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.