Exodus 12:22

12:22 Take a branch of hyssop, dip it in the blood that is in the basin, and apply to the top of the doorframe and the two side posts some of the blood that is in the basin. Not one of you is to go out the door of his house until morning.

Exodus 30:18

30:18 “You are also to make a large bronze basin with a bronze stand for washing. You are to put it between the tent of meeting and the altar and put water in it,