250mm High Ring with slots that match up to lugs on the Breather Frame, and with a simple twist the ring is attached to the Roof Parts. ALL Rigid98 Tube Systems require an Upper Ring.
|HEIGHT||THROAT SIZE (Dia.)||CODE|
|250mm (10")||343mm (13.5")||343-AP-R98-UR|
|250mm (10")||457mm (18")||457-AP-R98-UR|
|250mm (10")||535mm (21")||535-AP-R98-UR|