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Grodan A-OK plugs are designed for seed and cutting propagation prior to "blocking on" into larger growing blocks
Package Size : 1132*208*87MM
What it does: Speeds seed germination
Features platinum TDS/EC sensor and thermister
18x25x1 Pleated MERV 14 Air Filters 24 Pack Tents & Tarps Grodan A-OK plugs are designedNordic 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.
