Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2025-02-21 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 7c. Poly Riser 50mm x 900mm (2") 4d. Poly Riser 25mm x 450mm (1") 6a. Poly Riser 40mm x 150mm (1 1/2") 3f. Poly Riser 20mm x 750mm (0.75") 2k. Poly Riser 15mm x 1500mm (1/2") Poly Riser Continuous Thread 15mm x 150mm (1 by 2") Poly Riser 15mm x 600mm (1/2") 3c. Poly Riser 20mm x 200mm (3/4") 3e. Poly Riser 20mm x 500mm (3/4") 4b. Poly Riser 25mm x 200mm (1")