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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
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For small-scale applications
rooting cuttings and/or low-light growing conditions that contains a beneficial mycorrhizal inoculum (Glomus intraradices)
The ultimate tool for your indoor grow and your outdoor life
use soil and plant tissue nutrient analyses to determine ideal application rates for your crop
Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 8 Pleated Plus Carbon 2 Pack biological fertilizer This item is at rockImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. We also carry 4 3 8 and 5 1 4 inch depth filters,