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Adapter collar to increase pH probe thread to 1' NPT
Fulvic acids are responsible for healthy floral growth
Features an inline speed controller utilizing PWM-technology
Natural root growth solution
16x24x1 Pleated MERV 13 Air Filters 3 Pack Lamps Adapter collar to increase pHNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200
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