16x20x2 Pleated MERV 13 Air Filters 12 Pack Grow Light Bulbs Each bag is made of

Each bag is made of 80% polyethylene and 20% nylon with 4 mil thickness for excellent strength and resistance to permeability

5-inches Long

Prevents blossom end rot

Interlocking Panels

10 mL per gallon of water

16x20x2 Pleated MERV 13 Air Filters 12 Pack Grow Light Bulbs Each bag is made ofNordic 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