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: 2026-01-02 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 7a. Poly Riser 50mm x 150mm (2") 2i. Poly Riser 15mm x 750mm (1/2") Poly Riser Articulated 15mm x 225mm (0.5in) 4b. Poly Riser 25mm x 200mm (1") 6c. Poly Riser 40mm x 900mm (1 1|2") 2c. Poly Riser 15mm x 150mm (1/2") 5a. Poly Riser 32mm x 150mm (1 1/4") Poly All Thread Riser 20 mm x 300 mm 5c. Poly Riser 32mm x 900mm (1 1|4") 3c. Poly Riser 20mm x 200mm (3/4")