Product CatalogueStormwater SuppliesPoly FittingsPoly Riser3a. Poly Riser 20mm x 50mm (3/4") Back 3a. Poly Riser 20mm x 50mm (3/4") Product ID: ORI0200050 Brand: 2026-07-14 From: $0.97 AUD View or buy the Poly Riser Poly Fittings - 3a. Poly Riser 20mm x 50mm (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 3a. Poly Riser 20mm x 50mm (3/4") ~11a. Poly Riser Swing Joint Hunter 1/2" x 15cm Poly Riser 25 mm x 2400 mm Poly Cut Off Riser 20mm x 300mm (3 by 4") 5a. Poly Riser 32mm x 150mm (1 1/4") 2i. Poly Riser 15mm x 750mm (1/2") 6a. Poly Riser 40mm x 150mm (1 1/2") Poly Riser Articulated 15mm x 225mm (0.5in) 4c. Poly Riser 25mm x 300mm (1") 6b. Poly Riser 40mm x 450mm (1 1/2")