Product CatalogueStormwater SuppliesPoly FittingsPoly Riser6b. Poly Riser 40mm x 450mm (1 1/2") Back 6b. Poly Riser 40mm x 450mm (1 1/2") Product ID: ORI0400450 Brand: 2025-06-01 From: $9.53 AUD View or buy the Poly Riser Poly Fittings - 6b. Poly Riser 40mm x 450mm (1 1/2") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 1a. Poly Cut Off Riser 15mm x 150mm ~11a. Poly Riser Swing Joint Hunter 1/2" x 15cm 3a. Poly Riser 20mm x 50mm (3/4") 2d.i. Poly Riser 15mm x 225mm (0.5") Poly Riser Articulated 15mm x 225mm (0.5in) 3b. Poly Riser 20mm x 100mm (3/4") 6a. Poly Riser 40mm x 150mm (1 1/2") 5b. Poly Riser 32mm x 450mm (1 1/4") 6b. Poly Riser 40mm x 450mm (1 1/2") 3g. Poly Riser 20mm x 1000mm (3/4")