You searched for "round diffuser"
RS PRO
RS PRO Joint Clamp Connecting Component, Strut Profile Type 2, Round Tube Size Type 2
Part: 286-3358
Cast iron joint clamp connector for 42.4mm round tubes in structural frameworks.
RS PRO
RS PRO Joint Clamp Connecting Component, Strut Profile Type 1, Round Tube Size Type 1
Part: 286-3342
Cast iron joint clamp connector for round tube structures and handrail systems.
RS PRO
RS PRO Joint Clamp Connecting Component, Strut Profile Type 3, Round Tube Size Type 3
Part: 286-3364
Cast iron joint clamp connector for structural strut and tube assembly systems.