1. The tightness is very good, the fit is high, the color is good, the craftsmanship is exquisite, and the installation is simple. 2. Material: ABS 3. Dimensions: 300x80mm 4. Screw hole diameter: M5 5. Function: can replace damaged or old RV bus air outlet panel 6. Scope of application: for RV, bus, passenger car or other modified car vents