13x25x1 MERV 8 AC Furnace Filters 12 Pack Hydroponics the Stealth has a 2:1

the Stealth has a 2:1 waste to product water ratio

still remains the favorite of hobbyist and commercial growers throughout the U

Professional-grade fabric zipper door that is easily installed as an entry/exit door to a grow room features super durable material

• Viable for 2+ years when stored correctly

RELEASE: Dig several holes throughout your garden

13x25x1 MERV 8 AC Furnace Filters 12 Pack Hydroponics the Stealth has a 2:1Nordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters