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: 2026-09-03 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 Poly All Thread Riser 20 mm x 300 mm 7d. Poly Riser 50mm x 1200mm (2") Poly All Thread Riser 25 mm x 300 mm 2h. Poly Riser 15mm x 457mm (1/2") 4f. Poly Riser 25mm x 1200mm (1") 5a. Poly Riser 32mm x 150mm (1 1/4") 4e. Poly Riser 25mm x 900mm (1") 3h. Poly Riser 20mm x 1500mm (3/4") 4a. Poly Riser 25mm x 100mm (1") 7b. Poly Riser 50mm x 450mm (2")