10x28x1 MERV 14 AC Furnace Filters 6 Pack cleanroom Puck size is 4

Puck size is 4

They are easily installed and maintained

DERIVED FROM

aiding in the plant's ability to obtain the nutrients

liquid kelp and humic acids

10x28x1 MERV 14 AC Furnace Filters 6 Pack cleanroom Puck size is 4Nordic 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.