13x24x1 Exact MERV 12 AC Furnace Filters 12 Pack rockwool GRO MAGNON is designed to

GRO MAGNON is designed to be used in combination with the other products in American Hydroponics' EPIC line

Phosphorus and potassium supplement including barley malt extract

Casters for easy movement

ONA Gel is one of Ona's most popular products

13x24x1 Exact MERV 12 AC Furnace Filters 12 Pack rockwool GRO MAGNON is designed toNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different