17_1/8x34_7/8x1 MERV 7 AC Furnace Filters 6 Pack Grow Strong Produces ozone using ultra violet

Produces ozone using ultra violet light bulb

24” x 24” x 48” | 2 Plant Capacity | Viewing Window | Accessories: Reflective Floor Tray & Tool Bag

mycorrhizae build a microbial system in and on plant roots which greatly enhance water and nutrient uptake

Effective in soil or hydroponics

mildew and moisture in areas larger than the Eva-Dry E-333

17_1/8x34_7/8x1 MERV 7 AC Furnace Filters 6 Pack Grow Strong Produces ozone using ultra violetNordic 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