Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4c. Poly Riser 25mm x 300mm (1") Back 4c. Poly Riser 25mm x 300mm (1") Product ID: ORI0250300 Brand: 2025-05-25 From: $3.52 AUD View or buy the Poly Riser Poly Fittings - 4c. Poly Riser 25mm x 300mm (1") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range Poly Cut Off Riser 20mm x 300mm (3 by 4") 4a. Poly Riser 25mm x 100mm (1") 5b. Poly Riser 32mm x 450mm (1 1/4") 4c. Poly Riser 25mm x 300mm (1") 3f. Poly Riser 20mm x 750mm (0.75") Poly Riser 15mm x 900mm (1/2") 4e. Poly Riser 25mm x 900mm (1") 3b. Poly Riser 20mm x 100mm (3/4") 3g. Poly Riser 20mm x 1000mm (3/4") 2b. Poly Riser 15mm x 100mm (1/2")