RV "Locking" Bumper Plug

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The True & Only "Locking" RV Bumper Plug
  • Securely Holds Sewer Hoses in Place
  • Fits Standard 4" Bumper
  • Push in Center to Lock
  • No Drilling or Welding
  • No Hinges
  • Weather and UV Resistant
  • Made of Thermoplastic Rubber