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: 2025-02-21 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 7c. Poly Riser 50mm x 900mm (2") 5a. Poly Riser 32mm x 150mm (1 1/4") 5b. Poly Riser 32mm x 450mm (1 1/4") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4") 7a. Poly Riser 50mm x 150mm (2") 3b. Poly Riser 20mm x 100mm (3/4") Poly Riser 25 mm x 2400 mm Poly All Thread Riser 25 mm x 300 mm 2k. Poly Riser 15mm x 1500mm (1/2") Poly All Thread Riser 20 mm x 300 mm