The Valterra 3" Hub Plastic Waste Valve Fitting w/ 1-1/2" Rotating Flange is constructed with durable plastic.• Type: Hub• Size: 3 Inch Hub X 3 Inch Rotating Flange X 1-1/2 Inch Rotating Flange• Color: Black• Material: Plastic• With Flange: Yes Durable Plastic Construction Provides The Absolute Highest Quality Products To Enhance Your Recreation Fun Built To Provide Exceptional Levels Of Durability | Valterra Sewer Waste Valve Fitting