Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2025-12-03 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 2f. Poly Riser 15mm x 300mm (1/2") 3f. Poly Riser 20mm x 750mm (0.75") 3h. Poly Riser 20mm x 1500mm (3/4") Poly All Thread Riser 20 mm x 300 mm Poly All Thread Riser 25 mm x 300 mm Poly Riser Articulated 15mm x 225mm (0.5in) 2h. Poly Riser 15mm x 457mm (1/2") 2e. Poly Riser 15mm x 250mm (0.5") **LIMITED STOCK** 4b. Poly Riser 25mm x 200mm (1") 6c. Poly Riser 40mm x 900mm (1 1|2")