Speck Aquaswim Filter Union Bush
The Speck filter union bush is fitted between the Speck Aquaswim multiport valve and the Speck Aquaswim sand filter drum.
The Speck Aquaswim filter union bush screws into a Speck screw in adapter fitting on the inside of the Speck Aquaswim filter drum.
These fittings are sealed watertight by a Speck profile gasket that is installed between the inside and outside of the Aquaswim filter drum.