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: 2026-02-04 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 4a. Poly Riser 25mm x 100mm (1") 4d. Poly Riser 25mm x 450mm (1") 3e. Poly Riser 20mm x 500mm (3/4") 2c. Poly Riser 15mm x 150mm (1/2") 2k. Poly Riser 15mm x 1500mm (1/2") 3d. Poly Riser 20mm x 300mm (3/4") 1a. Poly Cut Off Riser 15mm x 150mm Poly Riser 25 mm x 2400 mm 7b. Poly Riser 50mm x 450mm (2") 2f. Poly Riser 15mm x 300mm (1/2")