Product CatalogueStormwater SuppliesStormwater FittingsLevel InvertStormwater Step Reducer (Coupling) 100mm x 40mm Back MC Stormwater Step Reducer (Coupling) 100mm x 40mm Product ID: SW02SRC100TO40 Brand: MC 2025-12-03 From: $7.33 AUD View or buy the Level Invert Stormwater Fittings - Stormwater Step Reducer (Coupling) 100mm x 40mm from MC to discover other options and shipping details. Description Back to Stormwater Fittings - Level Invert More Level Invert and others in our range Stormwater Step Reducer (Coupling) 75mm x 90mm DWV Level Invert Taper 375 mm x 300 mm Stormwater Level Invert Taper 150 mm x 100 mm 3a. Stormwater Level Invert Taper 225 mm x 150 mm 4a. Stormwater Level Invert Taper 300 mm x 225 mm Stormwater Level Invert Taper 100 mm x 50 mm Stormwater Level Invert Taper 100 mm x 65 mm Stormwater Step Reducer (Coupling) 100mm x 40mm Custom exhaust for RAM 1500 DT Mercury Ranger 4WD 3.0 Litre Factory Turbo Manual 3" Small Muffler with Catalytic 3M6307 Mild Steel