Automatic cleaning system for air sampling pipes. Particularly suitable for environments with a high concentration of dust or dirt particles, ensuring longer detector lifespan and preventing false alarms. Equipped with a pipe inlet with a diameter of 25 mm. Requires connection to a compressed air system with constant pressure at 4 bar and a flow rate of 12–14 m³/h (200–230 liters/min). Power supply: 15–30 Vdc. Maximum consumption: 55 mA. Protection rating: IP65. Operating temperature: 0 to +50°C. Weight: 2800 g. Dimensions (HxWxD): 235x205x90 mm.