Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4d. Poly Riser 25mm x 450mm (1") Back 4d. Poly Riser 25mm x 450mm (1") Product ID: ORI0250500 Brand: 2025-01-22 From: $3.44 AUD View or buy the Poly Riser Poly Fittings - 4d. Poly Riser 25mm x 450mm (1") 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 Articulated 15mm x 200mm (1 by 2") 3b. Poly Riser 20mm x 100mm (3/4") 2f. Poly Riser 15mm x 300mm (1/2") 2i. Poly Riser 15mm x 750mm (1/2") Poly Riser 15mm x 600mm (1/2") 3e. Poly Riser 20mm x 500mm (3/4") 4a. Poly Riser 25mm x 100mm (1") 2a. Poly Riser 15mm x 50mm (1/2") 5b. Poly Riser 32mm x 450mm (1 1/4") 2h. Poly Riser 15mm x 457mm (1/2")