Made of premium plastic material, and impact resistant. For / Heater. Attach to air outlets / Y branches / reducers, air conditioning duct, etc. A great aftermarket replacement for your old or broken one. Simple, high temperature resistance, leak-proof. Condition: New Outer Diameter 1: 75mm Outer Diameter 2: 90mm Height: 60mm Application: Fits 75/90mm air outlet Color: Black Material: Plastic Package Contents: 4 x Outlet Adapter Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.