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: 2025-06-01 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 3d. Poly Riser 20mm x 300mm (3/4") 3b. Poly Riser 20mm x 100mm (3/4") 2k. Poly Riser 15mm x 1500mm (1/2") Poly All Thread Riser 25 mm x 300 mm 6b. Poly Riser 40mm x 450mm (1 1/2") 6c. Poly Riser 40mm x 900mm (1 1|2") 7c. Poly Riser 50mm x 900mm (2") 3h. Poly Riser 20mm x 1500mm (3/4") Poly Riser 25 mm x 2400 mm Poly Cut Off Riser 20mm x 300mm (3 by 4")