Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2025-02-22 From: $3.85 AUD View or buy the Poly Riser Poly Fittings - 4d. Poly Riser 25mm x 450mm (1") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 5c. Poly Riser 32mm x 900mm (1 1|4") 2d.i. Poly Riser 15mm x 225mm (0.5") 4b. Poly Riser 25mm x 200mm (1") Poly All Thread Riser 20 mm x 300 mm 6b. Poly Riser 40mm x 450mm (1 1/2") 7a. Poly Riser 50mm x 150mm (2") 7c. Poly Riser 50mm x 900mm (2") 2g. Poly Riser SCH80 Grey 15mm x 300mm (1/2") 4c. Poly Riser 25mm x 300mm (1") 2c. Poly Riser 15mm x 150mm (1/2")