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Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included
If seedlings are not healthy out of the gate
The first digit indicates the number of tubes (5 = 5-tube unit)
Relative Humidity: 25-70%
Equilibrium Natural 1-1-2
14x18x1 MERV 14 AC Furnace Filters 6 Pack pest-and-disease-control Bluelab pH 7 and BluelabNordic Pure MERV 14 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.
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