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: 2026-03-06 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 2k. Poly Riser 15mm x 1500mm (1/2") 2b. Poly Riser 15mm x 100mm (1/2") 3f. Poly Riser 20mm x 600mm (3/4") Poly Riser 15mm x 900mm (1/2") Poly Cut Off Riser 20mm x 300mm (3 by 4") Poly Riser 25 mm x 2400 mm 4c. Poly Riser 25mm x 300mm (1") 2e. Poly Riser 15mm x 250mm (0.5") **LIMITED STOCK** ~11b. Poly Riser Swing Joint Hunter 1/2" x 30cm 5a. Poly Riser 32mm x 150mm (1 1/4")