New from ESHOPPS 1 in. slip x slip 100% ABS solid white colored bulkhead. ESHOPPS white colored 1 in. bulkhead is injection molded ABS thermo plastic that includes a flat rubber gasket and heavy-duty ABS flat nut for a water tight seal. (Item# 79140) Model Compatibility POWER FLOW - All models FUSION FLOW - All models Reef Sumps - All models AQUA FUGE - All models ALPHA FUGE - All models