K&N 59-5002 K&N Marine Engine Flame Arrestor UniqueK&N 59 5002 K&N Marine Engine Flame Arrestor Unique The K&N Flame Arrestor makes the best air filtration technology available for marine engine use. Marine application owners can experience the increased horsepower and engine protection provided by K&N's oiled cotton gauze and epoxied screen filter element. For high performance on the water, K&N Flame Arrestors will help you fly. Marine approved per SAE J1928 standard Smoothes and straightens incoming