Bulb simple of type H21W-BAY9s for cars of the company Philips. The type indicates how the bulb is attached to the vehicle's socket, the number of threads, and the electrical energy it requires. Consult your vehicle's manual for the correct bulb selection. In this case, it can be installed in various parts of the vehicle such as the front turn signals, rear turn signals, brake lights, rear position lights, and reverse lights.

Simple lamps are the classic incandescent lamps.

• Power: 21W
• Voltage: 12V