Twin Tower Heatless Regenerating Type 'Vaporid' Air Dryers of WabtecUSA design are manufactured and supplied for continuous drying of incoming air for Electric and Diesel Loco Brake System. These dryers are very compact in design having the inbuilt after filter. These are light in weight, easy to install and it requires minimum down time as replacement of desiccant bags can be made in position. The potted Electronic control module ensures reliable operation of the dryer even in the adverse environment.