Product CatalogueStormwater SuppliesPoly FittingsPoly Riser3d. Poly Riser 20mm x 300mm (3/4") Back 3d. Poly Riser 20mm x 300mm (3/4") Product ID: ORI0200300 Brand: 2025-10-15 From: $2.44 AUD View or buy the Poly Riser Poly Fittings - 3d. Poly Riser 20mm x 300mm (3/4") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 3f. Poly Riser 20mm x 750mm (0.75") Poly Cut Off Riser 20mm x 300mm (3 by 4") 4a. Poly Riser 25mm x 100mm (1") 2f. Poly Riser 15mm x 300mm (1/2") 2i. Poly Riser 15mm x 750mm (1/2") 7a. Poly Riser 50mm x 150mm (2") 2h. Poly Riser 15mm x 457mm (1/2") 3h. Poly Riser 20mm x 1500mm (3/4") ~10b. Poly Riser Continuous Thread 15mm x 300mm (1/2") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4")