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• 1 full spectrum
made of fine gauge polyester
This indicator continuously monitors the three most crucial nutrient parameters in hydroponic
10" unit with one corona discharge cell
11 1/4x11 1/4x1 Exact MERV 14 AC Furnace Filters 12 Pack hydro-systems • 1 full spectrumNordic 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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