The Everfilt® Manway Lid and Yoke Set comes in 5 pieces and are used for large manways on industrial filtration systems, such as the M-Series, A-Series and I-Series. All Everfilt® Manway Lid and Yoke Sets are coated in an industrial top part epoxy exterior and a coal tar epoxy inter coating. These parts are generally accompanied by the Everfilt® Manway Gasket, sold separately.