Astralpool wall conduit for concrete pools length 300 mm 2” ext. thread pipe connection+ int. Ø 50 mm, 11/2” ext. thread pipe connection New range of 300 mm conduits for Ø 2″ inlets and “Multiflow”, that can be easily be cut to required lengths depending on pool shell thickness. They all have 2 holes for positioning within the pool shell. PVC grey in colour.