Product CatalogueStormwater SuppliesDWV FittingsDWV Vent CowlDWV Vent Cowl 50mm x 40mm Back Perth Irrigation DWV Vent Cowl 50mm x 40mm Product ID: DWC05040 Brand: Perth Irrigation 2025-01-21 From: $3.56 AUD View or buy the DWV Vent Cowl DWV Fittings - DWV Vent Cowl 50mm x 40mm from Perth Irrigation to discover other options and shipping details. Description 50 MM Waterproof Vent Cowl Back to DWV Fittings - DWV Vent Cowl More DWV Vent Cowl and others in our range DWV Waterproof Vent Cowl 50mm DWV Vent Cowl 80mm DWV Waterproof Vent Cowl 100mm DWV Vent Cowl 50mm DWV Vent Cowl 50mm x 40mm DWV Vent Cowl 100mm DWV Insect Proof Vent Cowl with Mesh 80mm DWV Insect Proof Vent Cowl 100mm DWV Insect Proof Vent Cowl with Mesh 50mm DWV Insect Proof Vent Cowl with Mesh 100mm