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: 2025-07-31 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 3b. Poly Riser 20mm x 100mm (3/4") 3c. Poly Riser 20mm x 200mm (3/4") ~10b. Poly Riser Continuous Thread 15mm x 300mm (1/2") Poly All Thread Riser 25 mm x 300 mm Poly Cut Off Riser 20mm x 300mm (3 by 4") 4b. Poly Riser 25mm x 200mm (1") 6b. Poly Riser 40mm x 450mm (1 1/2") 3f. Poly Riser 20mm x 600mm (3/4") 6a. Poly Riser 40mm x 150mm (1 1/2") 4f. Poly Riser 25mm x 1200mm (1")