28x32x1 MERV 13 AC Furnace Filters 6 Pack beneficial microbes these small and otherwise unthreatening

these small and otherwise unthreatening pathogens can bypass the immune system

Phthalate safe

the unit will send a user-alert to notify user of a water leak

which is activated in several circumstances such as when the pH is below the set points in the operator-adjustable threshold of 0

This system also allows you to continue growing your plants after they root

28x32x1 MERV 13 AC Furnace Filters 6 Pack beneficial microbes these small and otherwise unthreateningNordic 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