Description Description: Winterization Valve: The RV brass blow out plug is used to help clear RV water lines and prevent the water pipe from being damaged during winterization and dewinterization Premium Material: The RV winterize blow out adapter is made of premium brass material, wear resistant, sturdy, and ensures a long time to use Easy Installation: The RV winterization valve is easy to connect and install, suitable for most RV water inlets Wide Applications: The RV blow out plug is suitable for campers, motorhomes, travel trailers, boats, garden water hoses, drip irrigation units, sprinkler systems, faucets, etc Package Including: The package includes 4 RV brass blow out plug, 10 caps and 2 sealant tapes Specification: Material: Brass Size Chart: 2.7cmx4.2cm/1.06inchx1.65inch Package Includes: 4 RV Brass Blow Out Plug 10 Caps 2 Sealant Tapes Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.