13x21_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Tents & Tarps Premium quality buffered coco coir

Premium quality buffered coco coir

• Needed for formation of proteins

This not only causes problems by over feeding the root zone but also upsets the osmotic transfer of water into the roots

Leafroller (Argyrotaenia franciscana)

Attached thumb loops help prevent sleeves from riding up

13x21_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Tents & Tarps Premium quality buffered coco coirNordic 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