Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2026-04-20 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 4c. Poly Riser 25mm x 300mm (1") 7d. Poly Riser 50mm x 1200mm (2") 2a. Poly Riser 15mm x 50mm (1/2") 3h. Poly Riser 20mm x 1500mm (3/4") 3g. Poly Riser 20mm x 1000mm (3/4") ~11a. Poly Riser Swing Joint Hunter 1/2" x 15cm 2g. Poly Riser SCH80 Grey 15mm x 300mm (1/2") 5a. Poly Riser 32mm x 150mm (1 1/4") 6c. Poly Riser 40mm x 900mm (1 1|2") Poly All Thread Riser 20 mm x 300 mm