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Fits Metal Halide ballast
This reduces size and weight
Minimum order to be placed of 4 units
foliar spray the mother plants again to aid in stress recovery and encourage new growth (lateral branching)
21x21x1 Exact MERV 14 AC Furnace Filters 6 Pack spl_magfan Fits Metal Halide ballastNordic 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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