The HELLA CA20 Series, is engineered for maximum on-road impact with its loud and high-penetrating power tone. This premium air horn is designed for pneumatic operation, making it an ideal choice for vehicles with a compressed air brake system. Its powerful output ensures that your presence is clearly announced, enhancing safety in high-traffic situations or challenging driving environments. The CA20 Series is built for durability and reliability, providing drivers with peace of mind that their horns can withstand rigorous use. Whether navigating crowded city streets or traveling on busy highways, the HELLA CA20 Series ensures your journey is safe and sound.