Exodus 30:18-20
Read Exodus 30 in full →18“You shall also make aa laver of 1bronze, with its stand of bronze, for washing; and you shall bput it between the tent of meeting and the altar, and you shall put water in it. 19“And Aaron and his sons shall awash their hands and their feet from it; 20when they come into the tent of meeting, they shall wash with water, so that they will not die; or when they approach the altar to minister, by offering up in smoke a fire sacrifice to Yahweh.