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ALL GROW MEDIUMS - Excellent for all grow mediums
Can be used in container plants
Bacillus pumilis
5 lb Bi-Directional rack has the same function as the stand alone bi-flow
21x21x1 MERV 10 AC Furnace Filters 6 Pack spl_cg ALL GROW MEDIUMS - ExcellentNordic Pure MERV 10 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 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies
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