Product CatalogueStormwater SuppliesPoly FittingsPoly Riser6b. Poly Riser 40mm x 450mm (1 1/2") Back 6b. Poly Riser 40mm x 450mm (1 1/2") Product ID: ORI0400450 Brand: 2025-10-18 From: $9.53 AUD View or buy the Poly Riser Poly Fittings - 6b. Poly Riser 40mm x 450mm (1 1/2") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 3a. Poly Riser 20mm x 50mm (3/4") 4c. Poly Riser 25mm x 300mm (1") 3c. Poly Riser 20mm x 200mm (3/4") 5a. Poly Riser 32mm x 150mm (1 1/4") 3f. Poly Riser 20mm x 750mm (0.75") 3f. Poly Riser 20mm x 600mm (3/4") 3b. Poly Riser 20mm x 100mm (3/4") 7c. Poly Riser 50mm x 900mm (2") Poly Riser Continuous Thread 15mm x 150mm (1 by 2") 6a. Poly Riser 40mm x 150mm (1 1/2")