23 1/2x25x1 Exact MERV 12 AC Furnace Filters 6 Pack spl_luxx use in conjunction with the

use in conjunction with the SUPERthrive nutrient family of products

Commercial grade quality for professional growers

Root solution at 1 tsp

magnesium & manganese

23 1/2x25x1 Exact MERV 12 AC Furnace Filters 6 Pack spl_luxx use in conjunction with theNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different