Enhanced spectral output covering full PAR
Replaceable pH Electrode - The HI1271 supplied gel filled pH electrode is 103 mm long and tapers to an 8 mm diameter at the sensing end
The lightweight inline design makes it portable
agrimineral 76 silica clay
MilStop provides growers and gardeners with a cost effective treatment for foliar disease control
17x25x1 MERV 12 AC Furnace Filters 6 Pack extraction Enhanced spectral output covering fullNordic 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