Product CatalogueStormwater SuppliesPoly FittingsPoly RiserPoly All Thread Riser 25 mm x 300 mm Back Perth Irrigation Poly All Thread Riser 25 mm x 300 mm Product ID: ORTH25300 Brand: Perth Irrigation 2025-05-21 From: $3.45 AUD View or buy the Poly Riser Poly Fittings - Poly All Thread Riser 25 mm x 300 mm from Perth Irrigation to discover other options and shipping details. Description Poly All Thread Riser 25 mm x 300 mm Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 2i. Poly Riser 15mm x 750mm (1/2") 2h. Poly Riser 15mm x 457mm (1/2") 3f. Poly Riser 20mm x 750mm (0.75") 3d. Poly Riser 20mm x 300mm (3/4") 2d.i. Poly Riser 15mm x 225mm (0.5") 2f. Poly Riser 15mm x 300mm (1/2") ~10d. Poly Riser Continuous Thread 20mm x 150mm (3/4") 6b. Poly Riser 40mm x 450mm (1 1/2") 3b. Poly Riser 20mm x 100mm (3/4") Poly Riser Articulated 15mm x 225mm (0.5in)