Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2025-10-16 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 3e. Poly Riser 20mm x 500mm (3/4") 3f. Poly Riser 20mm x 750mm (0.75") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4") Poly Riser 25 mm x 2400 mm 7a. Poly Riser 50mm x 150mm (2") 2c. Poly Riser 15mm x 150mm (1/2") Poly Cut Off Riser 20mm x 300mm (3 by 4") 3f. Poly Riser 20mm x 600mm (3/4") 2d. Poly Riser 15mm x 200mm (0.5") **LIMITED STOCK** ~10b. Poly Riser Continuous Thread 15mm x 300mm (1/2")