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VermiWorm (Eisenia Foetida worm castings) and Alaskan Humus
Photosynthesis Plus rapidly establishes essential plant-supporting biology
Adds 2 extra pre-filter stages
Great back up filter for controlled
oil systems and more
8x18x1 Exact MERV 13 AC Furnace Filters 6 Pack Reflectors & Grow Lights VermiWorm (Eisenia Foetida worm castings)Nordic 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
