20x25x1 Pleated MERV 13 Air Filters 24 Pack Air Filter Grodan Master is a special

Grodan Master is a special wet/dry slab

soil and semi-solid samples

Accuracy: +/- 2%

With several sizes available

20x25x1 Pleated MERV 13 Air Filters 24 Pack Air Filter Grodan Master is a specialNordic 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