Product CatalogueStormwater SuppliesPressure Fittings PVCBarrel Uniona. PVC Barrel Union Coupling 15mm (1/2") Back a. PVC Barrel Union Coupling 15mm (1/2") Product ID: V12BU015 Brand: 2025-05-07 From: $2.99 AUD View or buy the Barrel Union Pressure Fittings PVC - a. PVC Barrel Union Coupling 15mm (1/2") from to discover other options and shipping details. Description Back to Pressure Fittings PVC - Barrel Union More Barrel Union and others in our range a. PVC Barrel Union Coupling 15mm (1/2") d. PVC Barrel Union Coupling 32mm (1 1/4") b. PVC Barrel Union Coupling 20mm (3/4") f. PVC Barrel Union Coupling 50mm (2") g. PVC Barrel Union Coupling 80mm (3") e. PVC Barrel Union Coupling 40mm (1 1/2") h. PVC Barrel Union Coupling 100mm (4") c. PVC Barrel Union Coupling 25mm (1") Maui Fin Company QS RTM Quads 4c. PVC Reducing Tee 50mm x 40mm (2" x 1 1/2")