15_1/4x15_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Growing Accessories perfect for on-the-go testing in

perfect for on-the-go testing in any terrain

Sugaree provides an organic carbohydrate and electrolyte source to stimulate amino acid production and provides a carbohydrate source

Mix well then add remaining fertilizers and additives

now just 24” long

Designed to use with 1/2" tubing

15_1/4x15_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Growing Accessories perfect for on-the-go testing inNordic 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