The 1-1/2 X 1-1/8 OAL Boiler Brush from MARS is an essential tool for maintaining boiler efficiency. This brush features durable bristles designed to effectively clean boiler tubes and surfaces, ensuring optimal performance. With an overall length (OAL) of 1-1/8 inches, it is perfect for reaching tight spaces. The robust construction withstands high temperatures and harsh conditions, making it suitable for industrial applications. Regular use of this boiler brush helps prevent buildup and prolongs the life of your heating systems, ensuring compliance with maintenance standards.