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: 2025-12-06 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 Poly Cut Off Riser 20mm x 300mm (3 by 4") 4c. Poly Riser 25mm x 300mm (1") 1a. Poly Cut Off Riser 15mm x 150mm Poly Riser 15mm x 900mm (1/2") 2a. Poly Riser 15mm x 50mm (1/2") 2d. Poly Riser 15mm x 200mm (0.5") **LIMITED STOCK** 6a. Poly Riser 40mm x 150mm (1 1/2") Poly All Thread Riser 20 mm x 300 mm 3a. Poly Riser 20mm x 50mm (3/4") 4a. Poly Riser 25mm x 100mm (1")