17_1/8x34_7/8x1 MERV 13 AC Furnace Filters 6 Pack Plant Care/Pest & Disease Control Roots Organics Surge nutritional and

Roots Organics Surge nutritional and microbial stimulant is designed from the finest sustainably harvested and enzymatically processed marine protein materials

Potassium aids plants in enzymatic function

Operating Time Monitor: Accumulates actual humidifier run time to activate periodic drain and fill cycles

Pressure >0

Grodan is unique by making different types of fibers

17_1/8x34_7/8x1 MERV 13 AC Furnace Filters 6 Pack Plant Care/Pest & Disease Control Roots Organics Surge nutritional 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