Product CatalogueStormwater SuppliesPoly FittingsPoly Riser7b. Poly Riser 50mm x 450mm (2") Back 7b. Poly Riser 50mm x 450mm (2") Product ID: ORI0500450 Brand: 2026-04-22 From: $13.16 AUD View or buy the Poly Riser Poly Fittings - 7b. Poly Riser 50mm x 450mm (2") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range Poly Riser 25 mm x 2400 mm 2f. Poly Riser 15mm x 300mm (1/2") 2c. Poly Riser 15mm x 150mm (1/2") Poly All Thread Riser 20 mm x 300 mm 3f. Poly Riser 20mm x 600mm (3/4") 3a. Poly Riser 20mm x 50mm (3/4") 3f. Poly Riser 20mm x 750mm (0.75") Poly Cut Off Riser 20mm x 300mm (3 by 4") 2i. Poly Riser 15mm x 750mm (1/2") 3g. Poly Riser 20mm x 1000mm (3/4")