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E3: Short-circuit for temperature sensor (probe)
Their round media holes promote good aeration and growth for young roots
- Includes Vitamin B1 to ease shock and stress on plants
Monthly Feeding: 2–3 tsp per gallon of water
Best results in warm (above 60°F)
21 1/2x26x1 Exact MERV 14 AC Furnace Filters 6 Pack spl_magfan E3: Short-circuit for temperature sensorNordic 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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