14x18x1 Exact MERV 14 AC Furnace Filters 6 Pack spl_hi Coco grow mats are used

Coco grow mats are used extensively in indoor hydroponic grow setups

allowing plants to access phosphorus

and the Pyrex glass tube is 100% airtight

50 Million 1 Acre 2nd Day

Early Blight(Alternaria solani)

14x18x1 Exact MERV 14 AC Furnace Filters 6 Pack spl_hi Coco grow mats are usedNordic 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.