Valterra sewer hose hatch. Hatch with thumb lock for sewer hose storage. Paintable UV stabilized plastic. Attaches to PVC pipe (sold separately). Includes installation screws and putty tape. Installation cutout required 5-7/8 inch W x 4-3/4 inch H. OD: 7-5/8 inch W x 6-1/2 inch H.