17x19x1 Exact MERV 13 AC Furnace Filters 6 Pack Water Treatment Use 3 ml-8 ml of

Use 3 ml-8 ml of solution per gallon of water during the Bloom cycle (see feed chart for further details)

MIXING 244C

Designed for ventilation applications including HVAC

As a dip device

17x19x1 Exact MERV 13 AC Furnace Filters 6 Pack Water Treatment Use 3 ml-8 ml ofNordic 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