13x20x1 Exact MERV 8 AC Furnace Filters 12 Pack additives Innovative 6" circular vents maximize

Innovative 6" circular vents maximize reflectivity

All of these have been combined to encourage plant vigor

Add 2-5 mL of Grow B per gallon of water during the vegetative growth phase

To check moisture levels of DaPlugs

Designed to drive either halide or sodium bulbs properly with separate wire leads

13x20x1 Exact MERV 8 AC Furnace Filters 12 Pack additives Innovative 6" circular vents maximizeNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters