16x22_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack pumps-&-irrigation flow (flood & drain) systems

flow (flood & drain) systems work by pumping nutrient solution up from a reservoir to a controlled water level tray

Nutrient dropper

• Formulated for all hydroponics and soil applications

NPK: 6-42-12

16x22_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack pumps-&-irrigation flow (flood & drain) systemsNordic 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