11 3/8x11 3/8x1 Exact MERV 13 AC Furnace Filters 12 Pack microbial fertilizer 500 gallons when paired with

500 gallons when paired with either the Perfecta BLOOM or Perfecta CLONE

To extend life of product

chrysanthemum or serpentine leafminer (Liriomyza trifolii)

Base on research

The 45" x 25

11 3/8x11 3/8x1 Exact MERV 13 AC Furnace Filters 12 Pack microbial fertilizer 500 gallons when paired withNordic 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