3 microns using the MERV 13 filter
and can be applied in conjunction with nitrogen based fertilizers
included wall-mount fixture
Avoid unnecessary contact with plants after treatment
These shoe covers are environmentally friendly and can be recycled after use
15x19x1 MERV 14 AC Furnace Filters 6 Pack covid-19 3 microns using the MERVNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.