Product CatalogueStormwater SuppliesPoly FittingsPoly RiserPoly All Thread Riser 20 mm x 300 mm Back Poly All Thread Riser 20 mm x 300 mm Product ID: ORTH20300 Brand: 2025-05-25 From: $3.12 AUD View or buy the Poly Riser Poly Fittings - Poly All Thread Riser 20 mm x 300 mm from to discover other options and shipping details. Description Poly All Thread Riser 20 mm x 300 mm Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 7a. Poly Riser 50mm x 150mm (2") 4f. Poly Riser 25mm x 1200mm (1") 7c. Poly Riser 50mm x 900mm (2") 4a. Poly Riser 25mm x 100mm (1") 2k. Poly Riser 15mm x 1500mm (1/2") 1a. Poly Cut Off Riser 15mm x 150mm 3e. Poly Riser 20mm x 500mm (3/4") 2d. Poly Riser 15mm x 200mm (0.5") **LIMITED STOCK** 2g. Poly Riser SCH80 Grey 15mm x 300mm (1/2") Poly Riser 15mm x 900mm (1/2")