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: 2026-11-02 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 2i. Poly Riser 15mm x 750mm (1/2") Poly Riser 15mm x 600mm (1/2") 3f. Poly Riser 20mm x 750mm (0.75") 4e. Poly Riser 25mm x 900mm (1") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4") ~10b. Poly Riser Continuous Thread 15mm x 300mm (1/2") Poly Riser Continuous Thread 15mm x 150mm (1 by 2") 7a. Poly Riser 50mm x 150mm (2") 6a. Poly Riser 40mm x 150mm (1 1/2") 4b. Poly Riser 25mm x 200mm (1")