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 Riser 25 mm x 2400 mm Poly Riser Continuous Thread 15mm x 150mm (1 by 2") Poly Riser 15mm x 600mm (1/2") 3e. Poly Riser 20mm x 500mm (3/4") 1a. Poly Cut Off Riser 15mm x 150mm Poly Cut Off Riser 20mm x 300mm (3 by 4") 2a. Poly Riser 15mm x 50mm (1/2") 2d. Poly Riser 15mm x 200mm (0.5") **LIMITED STOCK** 3c. Poly Riser 20mm x 200mm (3/4") 6b. Poly Riser 40mm x 450mm (1 1/2")