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The ONA Storm is specifically designed to be used with ONA gel
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high quality stainless steel & copper air manifold with individually controllable air outlets
This portable refractometer is a convenient way to measure the Brix level of your plants
The parasitoids' larvae then construct pillars of fecal matter around the remains of the much deteriorated pests
20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 2 Pack propagation trays The ONA Storm is specificallyImportant 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,
