Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4a. Poly Riser 25mm x 100mm (1") Back 4a. Poly Riser 25mm x 100mm (1") Product ID: ORI0250100 Brand: 2026-12-04 From: $2.16 AUD View or buy the Poly Riser Poly Fittings - 4a. Poly Riser 25mm x 100mm (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 All Thread Riser 20 mm x 300 mm Poly All Thread Riser 25 mm x 300 mm 4d. Poly Riser 25mm x 450mm (1") 2c. Poly Riser 15mm x 150mm (1/2") 2f. Poly Riser 15mm x 300mm (1/2") 2k. Poly Riser 15mm x 1500mm (1/2") Poly Riser Continuous Thread 15mm x 150mm (1 by 2") Poly Cut Off Riser 20mm x 300mm (3 by 4") 2i. Poly Riser 15mm x 750mm (1/2") ~11a. Poly Riser Swing Joint Hunter 1/2" x 15cm