16x18x1 MERV 12 AC Furnace Filters 6 Pack plant-care/pest-&-disease-control Light Channel(s): 2 per HCS-3

Light Channel(s): 2 per HCS-3

Increases root growth and biomass

but this 1/4″ Dry Tumbler is also available on a made to order basis for those that request it

240V power cord included

Seawead extracts in Alg·A·Mic™

16x18x1 MERV 12 AC Furnace Filters 6 Pack plant-care/pest-&-disease-control Light Channel(s): 2 per HCS-3Nordic Pure MERV 12 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, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different