15x19x1 MERV 13 AC Furnace Filters 6 Pack spl_cp amino acids and vitamins that

amino acids and vitamins that maximize key growth factors like plant metabolism and nutrient uptake

Low EC and stable pH

From large commercial drying rooms to small ones (and everything in between)

• Warm conditions may dry the DaPlugs out at a faster rate

15x19x1 MERV 13 AC Furnace Filters 6 Pack spl_cp amino acids and vitamins thatNordic 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