adapter with a 1/4 quick connect and 3/4 thread is an essential tool for winterizing your RV's system. This adapter is compressor, allowing you to blow out from your RV's lines, preventing freezing and potential damage. Features -Color:Assorted Color -Material:Copper -Size:8.50X3.50X3.00cm/3.34X1.38X1.18in -Size:8.00X4.00X3.00cm/3.14X1.57X1.18in -Quick connection: the quick connect feature allows for easy and fast attachment and detachment, saving you time and effort during setup and -Durable brass material: made from brass, this adapter is built to last, providing reliable performance and resistance to wear -Winter irrigation adapter: designed specifically for winter use, this adapter helps prevent freezing and damage to your irrigation system, ensuring smooth operation -Ball valve control: equipped with a ball valve, this adapter allows you to control the flow precisely, giving you better management of your usage - 3/4 thread: compatible with 3/4 threaded connections, this adapter is versatile and can be used with a wide range of rvs and camping vehicles Package list: 4 x set rv winterize blowout adapter kit