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Unique coiled support frame allows for expansion and contraction of the arc tube during operation
and fungus gnats
This not only guarantees a clean and buffered substrate
Silicon is the second most abundant element in plants and with out it they can not survive
HydroLogic Small Boy Replacement Filter Housing, 1/4" special-order Unique coiled support frame allowsOccasionally filter housings crack from mishandling, cold temperatures, excessive inlet pressure, pressure spikes or water hammer. Should this happen to you, get the most life from your HydroLogic smallBoy filter with this OEM replacement housing.
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