Air Bear 16x25x5 (4 7/8) Replacement 259112-105 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack grow media Clay particles contained in the

Clay particles contained in the soil largely determine a soils suitability for cultivation

The cardboard flanges and heavy duty plastic plugs make these rolls easy to work with and the product easy to apply/dispense

soilless and soil

L-Glycine and L-Arginine

Great indoors or outdoors instead of potting mix

Air Bear 16x25x5 (4 7/8) Replacement 259112-105 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack grow media Clay particles contained in theImportant 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,