![John Guest® Porting Block 5 x 1/2"BSP Connection [CASPB]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/CASPB__55650.1720557532.webp)
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Description
• COMPREHENSIVE – One of a comprehensive range of high-quality components for the John Guest® Air Supply Ring Main System.
• QUICK – Install your own workshop compressed air ring main quickly, easily, and competitively with the CAS system of fast fit compressed air fittings.
• VERSATILE – Can also be used for drinking water movement.
• MULTI-CONNECTION – 5-way junction block with 1/2″ BSP connections for flexible system configuration.
• DURABLE – Strong Acetal Copolymer Porting Block supplied with three blanking plugs for customised setup options.
![John Guest® Porting Block 5 x 1/2"BSP Connection [CASPB]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/CASPB__55650.1720557532-324x324.webp)