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: 2026-01-01 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 4b. Poly Riser 25mm x 200mm (1") 3d. Poly Riser 20mm x 300mm (3/4") 3g. Poly Riser 20mm x 1000mm (3/4") 2b. Poly Riser 15mm x 100mm (1/2") 4f. Poly Riser 25mm x 1200mm (1") 3h. Poly Riser 20mm x 1500mm (3/4") 1a. Poly Cut Off Riser 15mm x 150mm Poly Riser 15mm x 600mm (1/2") 2i. Poly Riser 15mm x 750mm (1/2") Poly All Thread Riser 20 mm x 300 mm