HydroLogic Small Boy Replacement Filter Housing, 1/4" special-order Unique coiled support frame allows

Unique coiled support frame allows for expansion and contraction of the arc tube during operation

Perfect for growing salads and herbs or for early season seed starting

Both S1 and S4 spectrums are available in 100V through 480V configurations

Offers 4 timed outlets and 4 always-on outlets

This not only guarantees a clean and buffered substrate

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.