12x22x1 Exact MERV 13 AC Furnace Filters 12 Pack fans-ventilation-ducting For Control of Small Hive

For Control of Small Hive Beetle - Use 5 Million for every 10 Hives

improving the germination process and overall success of seedlings and cuttings

Can replace Fluence Spydr series grow lights

• Smells great

Ratchet action enables the user to cut through green or dry branches up to 2-inches thick

12x22x1 Exact MERV 13 AC Furnace Filters 12 Pack fans-ventilation-ducting For Control of Small HiveNordic 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