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Monitor EC and pH after mixing
presence and numbers of natural pest predators
PPM (700) and temperature• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance• Titanium alloy sensor designed for high accuracy EC measurement• Easy-to-use design and fast calibration adjustment
DERIVED FROM: Ammonium Nitrate
29x29x1 MERV 12 AC Furnace Filters 6 Pack Tents / Indoor Greenhouses Monitor EC and pH afterNordic 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
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