It will convert 1 hose hookah to 2 hose hookah, 2 hose hookah to 3 hose hookah and so on.
You do not need to unscrew the air valve from your,hookah, you simply place it into the hookah connector hole The 1-2 hookah hose adapter makes smoking fun and share it with friends. Easy to use, no need to loosen the air valve. And you can buy the hose together with the adapter.