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 4c. Poly Riser 25mm x 300mm (1") 1a. Poly Cut Off Riser 15mm x 150mm 6c. Poly Riser 40mm x 900mm (1 1|2") Poly Cut Off Riser 20mm x 300mm (3 by 4") 6a. Poly Riser 40mm x 150mm (1 1/2") 7d. Poly Riser 50mm x 1200mm (2") 7a. Poly Riser 50mm x 150mm (2") Poly All Thread Riser 25 mm x 300 mm 7b. Poly Riser 50mm x 450mm (2") 5b. Poly Riser 32mm x 450mm (1 1/4")