Pipe Adapters & Bushings features: This is a universal RV air conditioning outlet, which can decorate car appearances and make your car particular and unique. It is widely used in air outlets of passenger cars, recreational vehicles, engineering vehicles and electric vehicles. Made of ABS material, durable and not easy to break. Features Color: Black. Size: 10.00X10.00X4.00cm/3.93X3.93X1.57in. Material: ABS. Outer diameter: 100mm/3.9 inch. Opening hole diameter: 75mm/3 inch. Tube height: 28mm/1.1 inch. Appliaction:RV universal CAR air conditioning outlet. Universal vent air outlet rotating interior round ceiling for Car RV ATV A/C. 360 degrees. Decorate car appearances, make your car particular and unique. The structure of the easily-broken part is upgraded by enhancing the thickness of ventilation outlet, far more solid than the original one. Black air outlet,made of of ABS plastic. Easy installation. It is widely used in air outlets of passenger cars, recreational vehicles, engineering vehicles and electric vehicles.