12x16x1 MERV 13 AC Furnace Filters 6 Pack Bio-Fertilizer Mix (1)ml with one (1)

Mix (1)ml with one (1) gallon of water

Use our sturdy black vinyl tubing

and fungicides when applied at the recommended rates

CO2 and also provides an accurate VPD measurement

The Bubble Flow Buckets are individually hyper-oxygenated for faster growth and optimum root health

12x16x1 MERV 13 AC Furnace Filters 6 Pack Bio-Fertilizer Mix (1)ml with one (1)Nordic 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