17_1/8x34_7/8x1 MERV 7 AC Furnace Filters 6 Pack Grow Strong Effective in soil or hydroponics

Effective in soil or hydroponics

This system is known for its amazing growth rates and ability to grow your plants up to 5′ tall

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

4200K color temperature

LIFE Cloning Gel is formulated to produce roots in any substrate and works well with rooting cubes or aeroponic machines

17_1/8x34_7/8x1 MERV 7 AC Furnace Filters 6 Pack Grow Strong Effective in soil or hydroponicsNordic 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