Description: 【Made of Durable Material】: This Water Heater Drain Plugs are made of durable PVC material with high strength. It is lighter than metal fittings, and its smooth inner surface reduces friction and material buildup, keeping pipes leak free. 【Multi purpose Use】: These drain plugs, pipes and pressure fittings are suitable for irrigation swimming pools, outdoor applications, cold water supply lines, rain barrel systems and sprinkler systems. 【Material】: The Drain Plugs are processed from PVC material to ensure their durability, practicality and beauty, and long service life. 【Applicable】: The RV Water Heater Drain Plug is designed to fit most RV and camper van water heater drain plugs and can be easily removed, 【Easy to Replace】: Water Heater Drain Plugs make it quick and easy to replace your RV water heater drain plug due to replacement, installation, saving you time and energy. Specification: Thread size 1 inch Size Chart: 15cmx19.5cmx4cm/5.91inchx7.68inchx1.57inch Package Includes: 12 Water Heater Drain Plugs Note: Please allow slightly errors due to manual measurement and different monitors.