Compatibility: RV Murts RV Cable Hatch Cover is perfect fit for 30 amp power cords and plugs to protect your camper power cord. Plus, designed snap lock and sliding door for a better daily usage, made from premium ABS plastic, making sure a long-lasting durability. 1 Minute for Replacement: Simply fix RV Murts Electric Power Cord Hatch Cover on your RV by screwing 3 bolts to the holes, or use butyl tape, putty tape, caulk, silicone sealant to install, only take 1 minute to replace the old power cord cable hatch cover. Wide Application RV Parts: Outside diameter 4.3", cutout diameter 2.88", collar depth: 1.9", sliding door length 0.78", sliding door width 0.78". compatible with most RV recreational vehicles, campers, trailers, cargo trailer and motorhome. Excellent Protection: Offer top protection to the cords, plugs, with prominent ABS plastic to resist fade and corrosion, ensures the secure and reliable power supply outdoor in Summer. RV Murts Customer Service: Our staffs will company you along the whole journey to make sure you can replace the old power cord cover quick and smooth, contact us if you have any question, your satisfaction is our goal. RV Hatch 4-1/4in