17x25x1 Exact MERV 7 AC Furnace Filters 6 Pack Drying Racks for 10 – 15 minutes

for 10 – 15 minutes then place in growing medium using nonmetallic container only and water to saturation with K-L-N diluted 1 – 2 tsp

The motor also offers more variance between the three fan speed settings and has overheat protection

We also have a 20-site Super Flow system and a 32-site Super Flow system available

Growing your plants with both Top Feed Watering and Bottom Feed oxygenation will create extremely happy plants with rapid growth rates and HUGE yields

1x Mounting Plate

17x25x1 Exact MERV 7 AC Furnace Filters 6 Pack Drying Racks for 10 – 15 minutesNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters