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Microbe Brew
Versatile - Foliar sprays or infector systems
For hydroponics
Apply Tundra one to three times per week in conjunction with a typical fertilization program
20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack Hydro Components Microbe BrewImportant 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 7 8 and 5 1 4 inch depth filters,
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