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

Effective in soil or hydroponics

it is particularly effective when blended with Roots Organics Uprising Grow for a plant’s vegetative growth phase and with Roots Organics Uprising Bloom for the bloom phase

This concentrated formulation is easy to mix and comes with multiple mix rates for control of different types of weeds

Produces ozone using ultra violet light bulb

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