15x20x2 Pleated MERV 13 Air Filters 3 Pack garden-accessories Model / Finish - 141000

Model / Finish - 141000 / Matte Black

including coco coir

Buffer recognition: 4

meaning it has three times the amount in each pellet as Sluggo (1% iron phosphate)

5) and buffered to pH 6

15x20x2 Pleated MERV 13 Air Filters 3 Pack garden-accessories Model / Finish - 141000Nordic 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