14x16x1 MERV 7 AC Furnace Filters 6 Pack rock-bottom Light Texture for Aeration and

Light Texture for Aeration and Drainage

Covers the porthole so that evaporation of the nutrient solution is minimized

40% Water Soluble Magnesium

Visible improvements in root mass and plant vigor are typically observed within 2–4 weeks

We recommend all Ultra Sonic Humidifiers be ducted

14x16x1 MERV 7 AC Furnace Filters 6 Pack rock-bottom Light Texture for Aeration andNordic 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