17x20x1 MERV 13 AC Furnace Filters 6 Pack Light Movers Hangers • REI: 4 Hrs• Active

• REI: 4 Hrs• Active Ingredient: Phosphorus acid and Hydrogen Peroxide• Rate: 42oz per 100gal• Controls: Pythium

Reduces incidence of water related problems (root diseases

and enriched with micronutrients

Root Pouch Single Use Natural Fabric Container

• High color rendering index—85 CRI

17x20x1 MERV 13 AC Furnace Filters 6 Pack Light Movers Hangers • REI: 4 Hrs• ActiveNordic 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