Product CatalogueStormwater SuppliesPoly FittingsPoly Riser3a. Poly Riser 20mm x 50mm (3/4") Back 3a. Poly Riser 20mm x 50mm (3/4") Product ID: ORI0200050 Brand: 2025-11-13 From: $0.97 AUD View or buy the Poly Riser Poly Fittings - 3a. Poly Riser 20mm x 50mm (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 ~11a. Poly Riser Swing Joint Hunter 1/2" x 15cm 4d. Poly Riser 25mm x 450mm (1") 2i. Poly Riser 15mm x 750mm (1/2") 3b. Poly Riser 20mm x 100mm (3/4") Poly All Thread Riser 25 mm x 300 mm ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4") 6c. Poly Riser 40mm x 900mm (1 1|2") Poly Riser 25 mm x 2400 mm 6a. Poly Riser 40mm x 150mm (1 1/2") 2h. Poly Riser 15mm x 457mm (1/2")