10x18x1 Exact MERV 13 AC Furnace Filters 12 Pack beneficial microbes Formulas are sediment free and

Formulas are sediment free and are compatible with all dosing and irrigation systems in including fine dripper heads

517 Weight (lb): 11

Achieving the optimum 3” - 6" lighting distance from the plant canopy is now a breeze

Improved Water Efficiency – Colonized roots draw moisture from a wider soil volume

Effective in warm climates

10x18x1 Exact MERV 13 AC Furnace Filters 12 Pack beneficial microbes Formulas are sediment free andNordic 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