Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2026-06-04 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 2k. Poly Riser 15mm x 1500mm (1/2") Poly All Thread Riser 25 mm x 300 mm Poly Riser Articulated 15mm x 225mm (0.5in) 2g. Poly Riser SCH80 Grey 15mm x 300mm (1/2") Poly All Thread Riser 20 mm x 300 mm Poly Riser Continuous Thread 15mm x 150mm (1 by 2") 3b. Poly Riser 20mm x 100mm (3/4") 7a. Poly Riser 50mm x 150mm (2") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4") 2b. Poly Riser 15mm x 100mm (1/2")