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: 2026-12-04 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 3b. Poly Riser 20mm x 100mm (3/4") 4d. Poly Riser 25mm x 450mm (1") 2h. Poly Riser 15mm x 457mm (1/2") Poly Riser Articulated 15mm x 225mm (0.5in) 3h. Poly Riser 20mm x 1500mm (3/4") 2f. Poly Riser 15mm x 300mm (1/2") 2d. Poly Riser 15mm x 200mm (0.5") **LIMITED STOCK** 4e. Poly Riser 25mm x 900mm (1") Poly Riser Continuous Thread 15mm x 150mm (1 by 2") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4")