10x20x1 Pleated MERV 13 Air Filters 24 Pack PPE Size: 4" x 4" x

Size:  4" x 4" x 4"

in addition to an extra-large hopper for easier feeding

Enclosure resists dust

Heterorhabditis bacteriophora

The Humic and Fulvic acids as well as other key vitamins in the Multi Total improves nutrient transport and increases substrate fertility

10x20x1 Pleated MERV 13 Air Filters 24 Pack PPE Size: 4" x 4" xNordic 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