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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
½ lb per 1000 sq
plastic cups or milk cartons will do
They have a higher red spectral ratio enhancing flowering and growth
but not in strength and uniformity
easy to operate system
7_3/4x25_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Pots and Containers ½ lb per 1000 sqNordic 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
