RV Slide-out bulb seal. This seal features a rigid pedestal section that slides into the track located on the outer wall of the slide-out itself. It’s designed to seal against the RV when the slide-out is closed. Note: Compare to our parts #70-3795-99 and #70-3832-99. Part Number: #70-3831-99 Steele Rubber Products manufactures and supplies automotive restoration…