The Power Products 6.5" Type 20 Brake Diaphragm is designed to provide reliable performance over a long service life. Manufactured with high-quality materials for durability and longevity, this diaphragm is designed to provide consistent performance in the real world operating environment. Easy to install and maintain, this diaphragm is the perfect choice for any application requiring reliable braking performance. FleetPride is your First Click in Heavy Duty®.