- New
018-312-EKD-35 is an AP Products black D-shaped rubber seal designed for recreational vehicle slide-out rooms. It fits the EKD base and slides into its track to provide a secure sealing surface while concealing the mounting fasteners. This replacement seal is suitable for new installations or for replacing worn components in an existing EK sealing system. It measures 1 inch wide by 15/16 inch high and comes in a 35-foot roll. The EKD base is sold separately.