Product CatalogueStormwater SuppliesPoly FittingsPoly Riser7b. Poly Riser 50mm x 450mm (2") Back 7b. Poly Riser 50mm x 450mm (2") Product ID: ORI0500450 Brand: 2025-05-02 From: $13.16 AUD View or buy the Poly Riser Poly Fittings - 7b. Poly Riser 50mm x 450mm (2") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 2d.i. Poly Riser 15mm x 225mm (0.5") Poly Cut Off Riser 20mm x 300mm (3 by 4") 2b. Poly Riser 15mm x 100mm (1/2") 2h. Poly Riser 15mm x 457mm (1/2") 3g. Poly Riser 20mm x 1000mm (3/4") 4e. Poly Riser 25mm x 900mm (1") Poly Riser 15mm x 900mm (1/2") 4f. Poly Riser 25mm x 1200mm (1") Poly Riser Continuous Thread 15mm x 150mm (1 by 2") 5c. Poly Riser 32mm x 900mm (1 1|4")