The hard plastic slip x slip bulkheads with rubber gasket is great for use with wet/dry filters and sump systems in freshwater or marine setups. The Hard plastic bulkheads with rubber gasket are threaded on outside; smooth on inside for slip fitting on both ends.

Item #	Description
19030	1″ Bulkhead SxS

Model Compatibility

Series	Model
PF-Series (Overflow Boxes)	PF-300,  PF-800,  PF-1000,  PF-1200
PF-Series (Micron Bag Holder)	PF-SM,  PF-LG,  PF-XL
ADV-Series	ADV-100,  ADV-200,  ADV-300
RS-Series	RS-75,  RS-100,  RS-200,  RS-300
WD-Series	WD-75CS,  WD-100CS,  WD-125CS, WD-150CS,  WD-200CS,  WD-300CS
R-Series	R-100,  R-200,  R-300